diff --git a/src/Symfony/Component/Intl/Data/Generator/TimezoneDataGenerator.php b/src/Symfony/Component/Intl/Data/Generator/TimezoneDataGenerator.php
index f6e535c4bb93b..a8249b4ddfcc8 100644
--- a/src/Symfony/Component/Intl/Data/Generator/TimezoneDataGenerator.php
+++ b/src/Symfony/Component/Intl/Data/Generator/TimezoneDataGenerator.php
@@ -86,6 +86,7 @@ protected function generateDataForLocale(BundleReaderInterface $reader, $tempDir
             if ('root' !== $displayLocale) {
                 $localeBundles[] = $reader->read($tempDir, 'root');
             }
+            $metadata = [];
             $data = [
                 'Version' => $localeBundle['Version'],
                 'Names' => $this->generateZones(
@@ -93,14 +94,17 @@ protected function generateDataForLocale(BundleReaderInterface $reader, $tempDir
                     $reader->read($tempDir, 'timezoneTypes'),
                     $reader->read($tempDir, 'metaZones'),
                     $reader->read($tempDir, 'windowsZones'),
-                    ...$localeBundles
+                    $localeBundles,
+                    $metadata
                 ),
             ];
 
-            if (!$data['Names']) {
+            if (!$data['Names'] && !$metadata) {
                 return;
             }
 
+            $data['Meta'] = $metadata;
+
             $this->zoneIds = array_merge($this->zoneIds, array_keys($data['Names']));
 
             return $data;
@@ -136,7 +140,10 @@ protected function generateDataForMeta(BundleReaderInterface $reader, $tempDir)
         return $data;
     }
 
-    private function generateZones(string $locale, ArrayAccessibleResourceBundle $typeBundle, ArrayAccessibleResourceBundle $metaBundle, ArrayAccessibleResourceBundle $windowsZonesBundle, ArrayAccessibleResourceBundle ...$localeBundles): array
+    /**
+     * @param ArrayAccessibleResourceBundle[] $localeBundles
+     */
+    private function generateZones(string $locale, ArrayAccessibleResourceBundle $typeBundle, ArrayAccessibleResourceBundle $metaBundle, ArrayAccessibleResourceBundle $windowsZonesBundle, array $localeBundles, array &$metadata = []): array
     {
         $accessor = static function (ArrayAccessibleResourceBundle $resourceBundle, array $indices) {
             $result = $resourceBundle;
@@ -234,6 +241,16 @@ private function generateZones(string $locale, ArrayAccessibleResourceBundle $ty
             $zones[$id] = $name;
         }
 
+        $gmtFormat = $accessor(['zoneStrings', 'gmtFormat'], $gmtFormatInherited) ?? 'GMT{0}';
+        if (!$gmtFormatInherited || $isBase) {
+            $metadata['GmtFormat'] = str_replace('{0}', '%s', $gmtFormat);
+        }
+
+        $hourFormat = $accessor(['zoneStrings', 'hourFormat'], $hourFormatInherited) ?? '+HH:mm;-HH:mm';
+        if (!$hourFormatInherited || $isBase) {
+            $metadata['HourFormat'] = explode(';', str_replace(['HH', 'mm', 'H', 'm'], ['%02d', '%02d', '%d', '%d'], $hourFormat), 2);
+        }
+
         return $zones;
     }
 
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/af.json b/src/Symfony/Component/Intl/Resources/data/timezones/af.json
index f2368e403d6d0..184c6922ab3fe 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/af.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/af.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk-tyd",
         "Pacific\/Wake": "Wake-eiland-tyd",
         "Pacific\/Wallis": "Wallis en Futuna-tyd (Mata-Utu)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/am.json b/src/Symfony/Component/Intl/Resources/data/timezones/am.json
index 2ed89290cd9a4..d45da2178d4c5 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/am.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/am.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "የቹክ ሰዓት",
         "Pacific\/Wake": "የዌክ ደሴት ሰዓት (ዋኬ)",
         "Pacific\/Wallis": "የዋሊስ እና ፉቱና ሰዓት"
+    },
+    "Meta": {
+        "GmtFormat": "ጂ ኤም ቲ%s",
+        "HourFormat": [
+            "+%02d%02d",
+            "-%02d%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ar.json b/src/Symfony/Component/Intl/Resources/data/timezones/ar.json
index de9db41c4600b..4d26c234783bc 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ar.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ar.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "توقيت شوك (ترك)",
         "Pacific\/Wake": "توقيت جزيرة ويك (واك)",
         "Pacific\/Wallis": "توقيت واليس و فوتونا"
+    },
+    "Meta": {
+        "GmtFormat": "غرينتش%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/as.json b/src/Symfony/Component/Intl/Resources/data/timezones/as.json
index 8ce0b5524a857..f390ea5aa9945 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/as.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/as.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "চ্চুকৰ সময়",
         "Pacific\/Wake": "ৱেক দ্বীপৰ সময়",
         "Pacific\/Wallis": "ৱালিছ আৰু ফুটুনাৰ সময়"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/az.json b/src/Symfony/Component/Intl/Resources/data/timezones/az.json
index 248242f896f22..c20b12bc2eca6 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/az.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/az.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Çuuk Vaxtı",
         "Pacific\/Wake": "Ueyk Vaxtı (Veyk)",
         "Pacific\/Wallis": "Uollis və Futuna Vaxtı"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/be.json b/src/Symfony/Component/Intl/Resources/data/timezones/be.json
index 8996b957ac938..ef38162b57094 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/be.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/be.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Час Чуук",
         "Pacific\/Wake": "Час вострава Уэйк",
         "Pacific\/Wallis": "Час астравоў Уоліс і Футуна"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d.%02d",
+            "-%02d.%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/bg.json b/src/Symfony/Component/Intl/Resources/data/timezones/bg.json
index 3521d80a8cc25..400d4d21e37df 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/bg.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/bg.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Чуюк",
         "Pacific\/Wake": "Остров Уейк",
         "Pacific\/Wallis": "Уолис и Футуна"
+    },
+    "Meta": {
+        "GmtFormat": "Гринуич%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/bn.json b/src/Symfony/Component/Intl/Resources/data/timezones/bn.json
index af36e76d80d95..cfa065d9c8cb2 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/bn.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/bn.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "চুক সময়",
         "Pacific\/Wake": "ওয়েক দ্বীপ সময়",
         "Pacific\/Wallis": "ওয়ালিস এবং ফুটুনা সময় (ওলিস)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT %s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/bo.json b/src/Symfony/Component/Intl/Resources/data/timezones/bo.json
index a65d4eed8daf3..4c272cd32729d 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/bo.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/bo.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Micronesia (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Wallis & Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/br.json b/src/Symfony/Component/Intl/Resources/data/timezones/br.json
index 41cc2508e9bf6..4f5c4ceeb8fe6 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/br.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/br.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Mikronezia (Chuuk)",
         "Pacific\/Wake": "Inizi diabell ar Stadoù-Unanet (Wake)",
         "Pacific\/Wallis": "eur Wallis ha Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/bs.json b/src/Symfony/Component/Intl/Resources/data/timezones/bs.json
index b114800b33680..936b29be33332 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/bs.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/bs.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Čučko vrijeme (Chuuk)",
         "Pacific\/Wake": "Vrijeme na Ostrvu Vejk (Wake)",
         "Pacific\/Wallis": "Vrijeme na Ostrvima Valis i Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT %s",
+        "HourFormat": [
+            "+%02d:%02d",
+            " -%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/bs_Cyrl.json b/src/Symfony/Component/Intl/Resources/data/timezones/bs_Cyrl.json
index e838dc4d91133..8d155a1b1e435 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/bs_Cyrl.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/bs_Cyrl.json
@@ -429,5 +429,12 @@
         "Pacific\/Truk": "Трук време",
         "Pacific\/Wake": "Вејк острво време",
         "Pacific\/Wallis": "Валис и Футуна Острва време"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d%02d",
+            "-%02d%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ca.json b/src/Symfony/Component/Intl/Resources/data/timezones/ca.json
index b17d6ffcad5ec..453eb086efdc6 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ca.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ca.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Hora de Chuuk",
         "Pacific\/Wake": "Hora de Wake",
         "Pacific\/Wallis": "Hora de Wallis i Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ce.json b/src/Symfony/Component/Intl/Resources/data/timezones/ce.json
index 3ed43892c636a..b457f03cb8bfe 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ce.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ce.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Чуук (Трук, гӀ-наш)",
         "Pacific\/Wake": "Уэйк, гӀ-е",
         "Pacific\/Wallis": "Уоллис а, Футуна а"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/cs.json b/src/Symfony/Component/Intl/Resources/data/timezones/cs.json
index 346088fc51222..bb4da80fa5be1 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/cs.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/cs.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuukský čas (Chuukské ostrovy)",
         "Pacific\/Wake": "Čas ostrova Wake",
         "Pacific\/Wallis": "Čas ostrovů Wallis a Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%d:%02d",
+            "-%d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/cy.json b/src/Symfony/Component/Intl/Resources/data/timezones/cy.json
index ae3fd6a154283..a7d44a000fdd6 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/cy.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/cy.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Amser Chuuk",
         "Pacific\/Wake": "Amser Ynys Wake",
         "Pacific\/Wallis": "Amser Wallis a Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/da.json b/src/Symfony/Component/Intl/Resources/data/timezones/da.json
index 5909321eb9f5e..b89112cf48cda 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/da.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/da.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk-tid",
         "Pacific\/Wake": "Wake Island-tid",
         "Pacific\/Wallis": "Wallis og Futuna-tid"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d.%02d",
+            "-%02d.%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/de.json b/src/Symfony/Component/Intl/Resources/data/timezones/de.json
index d44854f9dce45..580cec674bb8f 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/de.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/de.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk-Zeit",
         "Pacific\/Wake": "Wake-Insel-Zeit",
         "Pacific\/Wallis": "Wallis-und-Futuna-Zeit"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/de_CH.json b/src/Symfony/Component/Intl/Resources/data/timezones/de_CH.json
index e196ee280c407..da24321b05677 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/de_CH.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/de_CH.json
@@ -5,5 +5,6 @@
         "Asia\/Macau": "Chinesische Zeit (Macao)",
         "Europe\/Saratov": "Moskauer Zeit (Saratov)",
         "Pacific\/Guadalcanal": "Salomoninseln-Zeit (Guadalcanal)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/dz.json b/src/Symfony/Component/Intl/Resources/data/timezones/dz.json
index e1f5f03bb27bb..1d8545e74b47e 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/dz.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/dz.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "མའི་ཀྲོ་ནི་ཤི་ཡ། (Chuuk་)",
         "Pacific\/Wake": "ཡུ་ཨེས་གྱི་མཐའ་མཚམས་མཚོ་གླིང་། (Wake་)",
         "Pacific\/Wallis": "ཝལ་ལིས྄་ ཨེནཌ་ ཕུ་ཏུ་ན་། (Wallis་)"
+    },
+    "Meta": {
+        "GmtFormat": "ཇི་ཨེམ་ཏི་%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ee.json b/src/Symfony/Component/Intl/Resources/data/timezones/ee.json
index 5aaf181e87c2a..5199825836953 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ee.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ee.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk gaƒoƒo me",
         "Pacific\/Wake": "Wake Island gaƒoƒo me",
         "Pacific\/Wallis": "Wallis & Futuna gaƒoƒo me"
+    },
+    "Meta": {
+        "GmtFormat": "%s GMT",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/el.json b/src/Symfony/Component/Intl/Resources/data/timezones/el.json
index 8b292e1db1f9e..7a79ad054fe79 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/el.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/el.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Ώρα Τσουκ",
         "Pacific\/Wake": "Ώρα Νήσου Γουέικ",
         "Pacific\/Wallis": "[Ώρα Ουάλις και Φουτούνα (Γουάλις)]"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/en.json b/src/Symfony/Component/Intl/Resources/data/timezones/en.json
index 922e9b111784b..2505ce6999862 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/en.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/en.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk Time",
         "Pacific\/Wake": "Wake Island Time",
         "Pacific\/Wallis": "Wallis & Futuna Time"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/en_AU.json b/src/Symfony/Component/Intl/Resources/data/timezones/en_AU.json
index 27abafff8cd3b..4732d1f67a04b 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/en_AU.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/en_AU.json
@@ -34,5 +34,6 @@
         "Indian\/Comoro": "Eastern Africa Time (Comoro)",
         "Indian\/Mayotte": "Eastern Africa Time (Mayotte)",
         "Pacific\/Rarotonga": "Cook Island Time (Rarotonga)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/en_CA.json b/src/Symfony/Component/Intl/Resources/data/timezones/en_CA.json
index 1ee340ad1dadf..3dc95a2cdf60b 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/en_CA.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/en_CA.json
@@ -2,5 +2,6 @@
     "Version": "2.1.47.86",
     "Names": {
         "Asia\/Rangoon": "Myanmar Time (Rangoon)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/en_GB.json b/src/Symfony/Component/Intl/Resources/data/timezones/en_GB.json
index 9b2cb164f6a2a..9fc1c1a06cd24 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/en_GB.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/en_GB.json
@@ -9,5 +9,6 @@
         "America\/St_Thomas": "Atlantic Time (St Thomas)",
         "America\/St_Vincent": "Atlantic Time (St Vincent)",
         "Atlantic\/St_Helena": "Greenwich Mean Time (St Helena)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/en_IN.json b/src/Symfony/Component/Intl/Resources/data/timezones/en_IN.json
index 73541e3710b6d..a6e85ccf25e05 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/en_IN.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/en_IN.json
@@ -2,5 +2,6 @@
     "Version": "2.1.49.14",
     "Names": {
         "Asia\/Rangoon": "Myanmar Time (Rangoon)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/es.json b/src/Symfony/Component/Intl/Resources/data/timezones/es.json
index 0f84b5358eeda..2a5effed173c0 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/es.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/es.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "hora de Chuuk",
         "Pacific\/Wake": "hora de la isla Wake",
         "Pacific\/Wallis": "hora de Wallis y Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/es_419.json b/src/Symfony/Component/Intl/Resources/data/timezones/es_419.json
index 63a93b044321c..96a405334c8d1 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/es_419.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/es_419.json
@@ -61,5 +61,6 @@
         "Pacific\/Rarotonga": "hora de las islas Cook (Rarotonga)",
         "Pacific\/Tarawa": "hora de Islas Gilbert (Tarawa)",
         "Pacific\/Wake": "hora de Isla Wake"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/es_MX.json b/src/Symfony/Component/Intl/Resources/data/timezones/es_MX.json
index fe76268c33718..7a4f716fbed50 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/es_MX.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/es_MX.json
@@ -19,5 +19,6 @@
         "Pacific\/Honolulu": "hora de Hawái-Aleutianas (Honolulu)",
         "Pacific\/Tarawa": "hora de las Islas Gilbert (Tarawa)",
         "Pacific\/Wake": "hora de la Isla Wake"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/es_US.json b/src/Symfony/Component/Intl/Resources/data/timezones/es_US.json
index 49f6c1f5b001f..1588c8d770b7b 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/es_US.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/es_US.json
@@ -11,5 +11,6 @@
         "Pacific\/Guam": "hora de Chamorro (Guam)",
         "Pacific\/Marquesas": "hora de las islas Marquesas",
         "Pacific\/Saipan": "hora de Chamorro (Saipán)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/et.json b/src/Symfony/Component/Intl/Resources/data/timezones/et.json
index 991d03e5d9aef..18867775ed6eb 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/et.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/et.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuki aeg",
         "Pacific\/Wake": "Wake’i aeg",
         "Pacific\/Wallis": "Wallise ja Futuna aeg"
+    },
+    "Meta": {
+        "GmtFormat": "GMT %s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "−%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/eu.json b/src/Symfony/Component/Intl/Resources/data/timezones/eu.json
index 61934723f765b..721d3d8590e57 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/eu.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/eu.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuukeko ordua",
         "Pacific\/Wake": "Wake uharteko ordua",
         "Pacific\/Wallis": "Wallis eta Futunako ordutegia"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/fa.json b/src/Symfony/Component/Intl/Resources/data/timezones/fa.json
index 4504e09a1478a..38dbba7053b48 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/fa.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/fa.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "وقت چوئوک (چوک)",
         "Pacific\/Wake": "وقت جزیرهٔ ویک",
         "Pacific\/Wallis": "وقت والیس و فوتونا"
+    },
+    "Meta": {
+        "GmtFormat": "%s گرینویچ",
+        "HourFormat": [
+            "‎+%02d:%02d",
+            "‎−%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/fi.json b/src/Symfony/Component/Intl/Resources/data/timezones/fi.json
index 5c311a9caeeb8..84547044dbd94 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/fi.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/fi.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuukin aika",
         "Pacific\/Wake": "Waken aika",
         "Pacific\/Wallis": "Wallisin ja Futunan aika"
+    },
+    "Meta": {
+        "GmtFormat": "UTC%s",
+        "HourFormat": [
+            "+%d.%02d",
+            "-%d.%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/fo.json b/src/Symfony/Component/Intl/Resources/data/timezones/fo.json
index f46a3844ec671..08641fadfaf10 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/fo.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/fo.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk tíð",
         "Pacific\/Wake": "Wakeoyggj tíð",
         "Pacific\/Wallis": "Wallis- og Futunaoyggjar tíð"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/fr.json b/src/Symfony/Component/Intl/Resources/data/timezones/fr.json
index 5db661daa60af..46e3d80e30c26 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/fr.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/fr.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "heure de Chuuk",
         "Pacific\/Wake": "heure de l’île Wake",
         "Pacific\/Wallis": "heure de Wallis-et-Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "UTC%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "−%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/fr_CA.json b/src/Symfony/Component/Intl/Resources/data/timezones/fr_CA.json
index 515c3306e9bd2..108da3aa11d0b 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/fr_CA.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/fr_CA.json
@@ -102,5 +102,6 @@
         "Pacific\/Easter": "heure de l’île de Pâques",
         "Pacific\/Honolulu": "heure d’Hawaï-Aléoutiennes (Honolulu)",
         "Pacific\/Johnston": "heure d’Hawaï-Aléoutiennes (Johnston)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/fy.json b/src/Symfony/Component/Intl/Resources/data/timezones/fy.json
index 5fdfa19db20b1..62ba776307f63 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/fy.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/fy.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuukse tiid",
         "Pacific\/Wake": "Wake-eilânske tiid",
         "Pacific\/Wallis": "Wallis en Futunase tiid"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ga.json b/src/Symfony/Component/Intl/Resources/data/timezones/ga.json
index 386c341fce05c..549ece6b05e5a 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ga.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ga.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Am Chuuk",
         "Pacific\/Wake": "Am Oileán Wake",
         "Pacific\/Wallis": "Am Vailís agus Futúna"
+    },
+    "Meta": {
+        "GmtFormat": "MAG%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/gd.json b/src/Symfony/Component/Intl/Resources/data/timezones/gd.json
index f8449be5b6f12..6d0bc8bccc24d 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/gd.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/gd.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Àm Chuuk",
         "Pacific\/Wake": "Àm Eilean Wake",
         "Pacific\/Wallis": "Àm Uallas agus Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/gl.json b/src/Symfony/Component/Intl/Resources/data/timezones/gl.json
index 5db1dfcabf526..9f03b57a7f249 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/gl.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/gl.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Horario de Chuuk",
         "Pacific\/Wake": "Horario da Illa Wake",
         "Pacific\/Wallis": "Horario de Wallis e Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/gu.json b/src/Symfony/Component/Intl/Resources/data/timezones/gu.json
index b42fcbbff53ea..a8e7f520b4e6b 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/gu.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/gu.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ચુઉક સમય (ચુક)",
         "Pacific\/Wake": "વૅક આઇલેન્ડ સમય (વેક)",
         "Pacific\/Wallis": "વૉલિસ અને ફ્યુચુના સમય (વાલિસ)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ha.json b/src/Symfony/Component/Intl/Resources/data/timezones/ha.json
index 3e827e3b4c0f8..8a8adc52ba892 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ha.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ha.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Mikuronesiya (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Walis Da Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/he.json b/src/Symfony/Component/Intl/Resources/data/timezones/he.json
index 9c7a9321c9b1a..db4aa0858ba9a 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/he.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/he.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "שעון צ׳וק",
         "Pacific\/Wake": "שעון האי וייק",
         "Pacific\/Wallis": "שעון וואליס ופוטונה (ווליס)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s‎",
+        "HourFormat": [
+            "‎+%02d:%02d",
+            "-%02d:%02d‎"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/hi.json b/src/Symfony/Component/Intl/Resources/data/timezones/hi.json
index 602500f6432b0..83886f212ee2d 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/hi.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/hi.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "चुक समय (चक)",
         "Pacific\/Wake": "वेक द्वीप समय",
         "Pacific\/Wallis": "वालिस और फ़्यूचूना समय"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/hr.json b/src/Symfony/Component/Intl/Resources/data/timezones/hr.json
index 6ba7addce5d88..f554dd5a3d534 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/hr.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/hr.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "vrijeme Chuuka",
         "Pacific\/Wake": "vrijeme Otoka Wake",
         "Pacific\/Wallis": "vrijeme Otoka Wallis i Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            " -%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/hu.json b/src/Symfony/Component/Intl/Resources/data/timezones/hu.json
index aabe6d1e1ad4d..3554d171448c1 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/hu.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/hu.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "truki idő",
         "Pacific\/Wake": "wake-szigeti idő",
         "Pacific\/Wallis": "Wallis és Futuna-i idő"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/hy.json b/src/Symfony/Component/Intl/Resources/data/timezones/hy.json
index b608b0ced78fe..265deb5f68eae 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/hy.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/hy.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Տրուկի ժամանակ (Չուուկ)",
         "Pacific\/Wake": "Ուեյք կղզու ժամանակ (Ուեյք կղզի)",
         "Pacific\/Wallis": "Ուոլիս և Ֆուտունայի ժամանակ"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ia.json b/src/Symfony/Component/Intl/Resources/data/timezones/ia.json
index 45d051417e31e..4d81def5f2ffb 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ia.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ia.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Micronesia (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Wallis & Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/id.json b/src/Symfony/Component/Intl/Resources/data/timezones/id.json
index 3eb52d8221212..5afd6bc0db1d3 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/id.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/id.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Waktu Chuuk",
         "Pacific\/Wake": "Waktu Kepulauan Wake",
         "Pacific\/Wallis": "Waktu Wallis dan Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d.%02d",
+            "-%02d.%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ig.json b/src/Symfony/Component/Intl/Resources/data/timezones/ig.json
index 5fe63736e7a6e..c0c068142d167 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ig.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ig.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Micronesia (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Wallis & Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ii.json b/src/Symfony/Component/Intl/Resources/data/timezones/ii.json
index ae903b7ce9c29..2ee920af39f29 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ii.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ii.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Micronesia (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Wallis & Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/in.json b/src/Symfony/Component/Intl/Resources/data/timezones/in.json
index 3eb52d8221212..5afd6bc0db1d3 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/in.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/in.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Waktu Chuuk",
         "Pacific\/Wake": "Waktu Kepulauan Wake",
         "Pacific\/Wallis": "Waktu Wallis dan Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d.%02d",
+            "-%02d.%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/is.json b/src/Symfony/Component/Intl/Resources/data/timezones/is.json
index 2fa71b03f96f4..d666378599b01 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/is.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/is.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk-tími",
         "Pacific\/Wake": "Tími á Wake-eyju",
         "Pacific\/Wallis": "Tími á Wallis- og Fútúnaeyjum"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/it.json b/src/Symfony/Component/Intl/Resources/data/timezones/it.json
index 1c5a2bbbbb875..a6a9ba2985d4f 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/it.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/it.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Ora del Chuuk",
         "Pacific\/Wake": "Ora dell’Isola di Wake",
         "Pacific\/Wallis": "Ora di Wallis e Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/iw.json b/src/Symfony/Component/Intl/Resources/data/timezones/iw.json
index 9c7a9321c9b1a..db4aa0858ba9a 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/iw.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/iw.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "שעון צ׳וק",
         "Pacific\/Wake": "שעון האי וייק",
         "Pacific\/Wallis": "שעון וואליס ופוטונה (ווליס)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s‎",
+        "HourFormat": [
+            "‎+%02d:%02d",
+            "-%02d:%02d‎"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ja.json b/src/Symfony/Component/Intl/Resources/data/timezones/ja.json
index 6039559d8ca02..46f7e87ef7569 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ja.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ja.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "チューク時間",
         "Pacific\/Wake": "ウェーク島時間",
         "Pacific\/Wallis": "ウォリス・フツナ時間（ウォリス諸島）"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/jv.json b/src/Symfony/Component/Intl/Resources/data/timezones/jv.json
index 9a224643f9887..e6b2f55028e6c 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/jv.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/jv.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Wektu Chuuk",
         "Pacific\/Wake": "Wektu Pulo Wake",
         "Pacific\/Wallis": "Wektu Wallis lan Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ka.json b/src/Symfony/Component/Intl/Resources/data/timezones/ka.json
index 911e78576c253..0b1c58a868fd8 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ka.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ka.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ჩუუკის დრო",
         "Pacific\/Wake": "ვეიკის კუნძულის დრო (უეიკი)",
         "Pacific\/Wallis": "ვოლისი და ფუტუნას დრო (ვალისი)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/kk.json b/src/Symfony/Component/Intl/Resources/data/timezones/kk.json
index 155a0c17d8825..4c307719ce80d 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/kk.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/kk.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Трук уақыты",
         "Pacific\/Wake": "Уэйк аралы уақыты",
         "Pacific\/Wallis": "Уоллис және Футуна уақыты"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/km.json b/src/Symfony/Component/Intl/Resources/data/timezones/km.json
index 24aa682daa767..769ae153a3072 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/km.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/km.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ម៉ោង​នៅ​ចូអុក (ឈូអុក)",
         "Pacific\/Wake": "ម៉ោង​នៅ​កោះវេក (វ៉ាគី)",
         "Pacific\/Wallis": "ម៉ោង​នៅ​វ៉ាលីស និងហ្វ៊ុទូណា"
+    },
+    "Meta": {
+        "GmtFormat": "ម៉ោង​សកល %s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/kn.json b/src/Symfony/Component/Intl/Resources/data/timezones/kn.json
index 806e083ddb64d..13c08e18f2dc9 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/kn.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/kn.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ಚುಕ್ ಸಮಯ",
         "Pacific\/Wake": "ವೇಕ್ ದ್ವೀಪ ಸಮಯ",
         "Pacific\/Wallis": "ವ್ಯಾಲೀಸ್ ಮತ್ತು ಫ್ಯುಟುನಾ ಸಮಯ (ವ್ಯಾಲಿಸ್)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ko.json b/src/Symfony/Component/Intl/Resources/data/timezones/ko.json
index 14e85f4e23b58..f79eb547f8e0c 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ko.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ko.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "추크 시간(트루크)",
         "Pacific\/Wake": "웨이크섬 시간",
         "Pacific\/Wallis": "월리스푸투나 제도 시간"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ko_KP.json b/src/Symfony/Component/Intl/Resources/data/timezones/ko_KP.json
index fe201335108ed..c0f9630b1c20e 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ko_KP.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ko_KP.json
@@ -3,5 +3,6 @@
     "Names": {
         "Asia\/Pyongyang": "조선 시간(평양)",
         "Asia\/Seoul": "조선 시간(서울)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ks.json b/src/Symfony/Component/Intl/Resources/data/timezones/ks.json
index 3fcedf40c4c38..f58825b4953c9 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ks.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ks.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ٹٔرک ٹایِم (ٹرک)",
         "Pacific\/Wake": "ویک ججیٖرُک ٹایِم",
         "Pacific\/Wallis": "والِس تہٕ فیوٗٹیوٗنا ٹایِم (ویلِس)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ky.json b/src/Symfony/Component/Intl/Resources/data/timezones/ky.json
index 965be2f484c50..1f5d4285c4479 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ky.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ky.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Чуук убактысы",
         "Pacific\/Wake": "Уейк аралдарынын убактысы",
         "Pacific\/Wallis": "Уолис жана Футуна убактысы"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/lb.json b/src/Symfony/Component/Intl/Resources/data/timezones/lb.json
index 6be43fe7ad356..9379cf342d869 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/lb.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/lb.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk-Zäit",
         "Pacific\/Wake": "Wake-Insel-Zäit",
         "Pacific\/Wallis": "Wallis-a-Futuna-Zäit"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ln.json b/src/Symfony/Component/Intl/Resources/data/timezones/ln.json
index 7e4c8686daafe..7ac21e0ddc501 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ln.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ln.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Mikronezi (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Walisɛ mpé Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/lo.json b/src/Symfony/Component/Intl/Resources/data/timezones/lo.json
index 67ee57d0d95d2..8b5ef1d4b4183 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/lo.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/lo.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ເວລາຊຸກ (ຈັກ)",
         "Pacific\/Wake": "ເວລາເກາະເວກ",
         "Pacific\/Wallis": "ເວລາວາລລິສ ແລະ ຟູຕູນາ (ວາລິດ)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/lt.json b/src/Symfony/Component/Intl/Resources/data/timezones/lt.json
index 2c8fe2ca67f8c..782aac015c1cd 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/lt.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/lt.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Čuko laikas (Čukas)",
         "Pacific\/Wake": "Veiko Salos laikas (Veiko sala)",
         "Pacific\/Wallis": "Voliso ir Futūnos laikas (Volisas)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "−%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/lv.json b/src/Symfony/Component/Intl/Resources/data/timezones/lv.json
index 4589ab152c0ac..1bedbd3f67637 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/lv.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/lv.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Čūkas laiks",
         "Pacific\/Wake": "Veika salas laiks",
         "Pacific\/Wallis": "Volisas un Futunas laiks"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/mi.json b/src/Symfony/Component/Intl/Resources/data/timezones/mi.json
index 3e9c4eda5af71..4f12565f39f25 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/mi.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/mi.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Micronesia (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Wallis & Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/mk.json b/src/Symfony/Component/Intl/Resources/data/timezones/mk.json
index e84016e7cdede..98b64680f7b07 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/mk.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/mk.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Време во Чуук (Чук)",
         "Pacific\/Wake": "Време на островот Вејк",
         "Pacific\/Wallis": "Време во Валис и Футуна"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ml.json b/src/Symfony/Component/Intl/Resources/data/timezones/ml.json
index 403db13e4ff16..6ffd22b912b11 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ml.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ml.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ചൂക്ക് സമയം (ട്രക്)",
         "Pacific\/Wake": "വേക്ക് ദ്വീപ് സമയം (വെയ്ക്)",
         "Pacific\/Wallis": "വാലിസ് ആന്റ് ഫ്യൂച്യുന സമയം (വാല്ലിസ്)"
+    },
+    "Meta": {
+        "GmtFormat": "ജിഎംടി %s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/mn.json b/src/Symfony/Component/Intl/Resources/data/timezones/mn.json
index ff1fc5ce563ee..3037f4b4406a3 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/mn.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/mn.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Чүүкийн цаг",
         "Pacific\/Wake": "Вейк арлын цаг (Уэйк)",
         "Pacific\/Wallis": "Уоллис ба Футунагийн цаг"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/mo.json b/src/Symfony/Component/Intl/Resources/data/timezones/mo.json
index 98db1fc09be0a..7349c14b62948 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/mo.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/mo.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Ora din Chuuk",
         "Pacific\/Wake": "Ora Insulei Wake",
         "Pacific\/Wallis": "Ora din Wallis și Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/mr.json b/src/Symfony/Component/Intl/Resources/data/timezones/mr.json
index d1e38bef2709d..bf743019b7367 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/mr.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/mr.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "चूक वेळ",
         "Pacific\/Wake": "वेक बेट वेळ",
         "Pacific\/Wallis": "वॉलिस आणि फुटुना वेळ (वालिस)"
+    },
+    "Meta": {
+        "GmtFormat": "[GMT]%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ms.json b/src/Symfony/Component/Intl/Resources/data/timezones/ms.json
index 4e323248e96ab..78f6637950aeb 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ms.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ms.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Waktu Chuuk",
         "Pacific\/Wake": "Waktu Pulau Wake",
         "Pacific\/Wallis": "Waktu Wallis dan Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/mt.json b/src/Symfony/Component/Intl/Resources/data/timezones/mt.json
index c035661f8d9d0..5ea0e7cffa431 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/mt.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/mt.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Mikroneżja (Chuuk)",
         "Pacific\/Wake": "Il-Gżejjer Minuri Mbiegħda tal-Istati Uniti (Wake)",
         "Pacific\/Wallis": "Wallis u Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/my.json b/src/Symfony/Component/Intl/Resources/data/timezones/my.json
index ec66998223b61..31fac4b8bd3f0 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/my.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/my.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ချုခ် အချိန်",
         "Pacific\/Wake": "ဝိတ်ခ်ကျွန်း အချိန် (ဝိက်ခ်)",
         "Pacific\/Wallis": "ဝေါလီစ်နှင့် ဖူကျူနာ အချိန်"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/nb.json b/src/Symfony/Component/Intl/Resources/data/timezones/nb.json
index 6575b286c241a..f5b65c9f648e7 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/nb.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/nb.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "tidssone for Chuukøyene",
         "Pacific\/Wake": "tidssone for Wake Island",
         "Pacific\/Wallis": "tidssone for Wallis- og Futunaøyene"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ne.json b/src/Symfony/Component/Intl/Resources/data/timezones/ne.json
index c9260fee39a74..be2c2e2986b95 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ne.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ne.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "चुउक समय (चूक)",
         "Pacific\/Wake": "वेक टापु समय",
         "Pacific\/Wallis": "वालिस् र फुटुना समय"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/nl.json b/src/Symfony/Component/Intl/Resources/data/timezones/nl.json
index 952e51b9b0bde..aafb0fc424f5d 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/nl.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/nl.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuukse tijd",
         "Pacific\/Wake": "Wake-eilandse tijd",
         "Pacific\/Wallis": "Wallis en Futunase tijd"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/nn.json b/src/Symfony/Component/Intl/Resources/data/timezones/nn.json
index e28a670317b3f..e5c13be0a797c 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/nn.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/nn.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "tidssone for Chuukøyane",
         "Pacific\/Wake": "tidssone for Wake Island",
         "Pacific\/Wallis": "tidssone for Wallis- og Futunaøyane"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/no.json b/src/Symfony/Component/Intl/Resources/data/timezones/no.json
index 6575b286c241a..f5b65c9f648e7 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/no.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/no.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "tidssone for Chuukøyene",
         "Pacific\/Wake": "tidssone for Wake Island",
         "Pacific\/Wallis": "tidssone for Wallis- og Futunaøyene"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/om.json b/src/Symfony/Component/Intl/Resources/data/timezones/om.json
index b1b2335d47699..fc96de5e773e5 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/om.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/om.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Micronesia (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Wallis & Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/or.json b/src/Symfony/Component/Intl/Resources/data/timezones/or.json
index 14608c6772179..28eee2a322320 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/or.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/or.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ଚୂକ୍‌ ସମୟ",
         "Pacific\/Wake": "ୱେକ୍‌ ଦ୍ୱୀପ ସମୟ",
         "Pacific\/Wallis": "ୱାଲିସ୍‌ ଏବଂ ଫୁଟୁନା ସମୟ"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/os.json b/src/Symfony/Component/Intl/Resources/data/timezones/os.json
index 4f6549a2808fc..c0548098af4bd 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/os.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/os.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Micronesia (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Wallis & Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/pa.json b/src/Symfony/Component/Intl/Resources/data/timezones/pa.json
index 434b08cac3564..083952cabecad 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/pa.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/pa.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ਚੂਕ ਵੇਲਾ",
         "Pacific\/Wake": "ਵੇਕ ਆਈਲੈਂਡ ਵੇਲਾ",
         "Pacific\/Wallis": "ਵਾਲਿਸ ਅਤੇ ਫੁਟੂਨਾ ਵੇਲਾ"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/pl.json b/src/Symfony/Component/Intl/Resources/data/timezones/pl.json
index ddb9f6f926700..ce0ccb46c4807 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/pl.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/pl.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk",
         "Pacific\/Wake": "Wake",
         "Pacific\/Wallis": "Wallis i Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ps.json b/src/Symfony/Component/Intl/Resources/data/timezones/ps.json
index 1de3ce7b48521..40812e1e5a3ce 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ps.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ps.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "د چوکو وخت (چکوک)",
         "Pacific\/Wake": "دک ټاپو وخت (ویک)",
         "Pacific\/Wallis": "والیس او فوتونا وخت (والس)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ps_PK.json b/src/Symfony/Component/Intl/Resources/data/timezones/ps_PK.json
index ac575a2c2f957..6d2cb610bcc22 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ps_PK.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ps_PK.json
@@ -11,5 +11,6 @@
         "Europe\/Lisbon": "لوېديزے اروپا وخت (لیسبون)",
         "Indian\/Kerguelen": "د فرانسے سویل او انټارټيک وخت (Kerguelen)",
         "Pacific\/Kiritimati": "د کرښے ټاټوبي وخت (Kiritimati)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/pt.json b/src/Symfony/Component/Intl/Resources/data/timezones/pt.json
index 5491e18ed66d1..b4c7e365c4042 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/pt.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/pt.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Horário de Chuuk",
         "Pacific\/Wake": "Horário das Ilhas Wake",
         "Pacific\/Wallis": "Horário de Wallis e Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/pt_PT.json b/src/Symfony/Component/Intl/Resources/data/timezones/pt_PT.json
index 2d3fb6821b9ee..35a856c210849 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/pt_PT.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/pt_PT.json
@@ -430,5 +430,6 @@
         "Pacific\/Truk": "Hora de Chuuk",
         "Pacific\/Wake": "Hora da Ilha Wake",
         "Pacific\/Wallis": "Hora de Wallis e Futuna"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/qu.json b/src/Symfony/Component/Intl/Resources/data/timezones/qu.json
index c6cb01b8b38ed..ca7ca03d68d4a 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/qu.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/qu.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Micronesia (Chuuk)",
         "Pacific\/Wake": "Islas menores alejadas de los EE.UU. (Wake)",
         "Pacific\/Wallis": "Wallis & Futuna Time"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/rm.json b/src/Symfony/Component/Intl/Resources/data/timezones/rm.json
index 7791425b0341b..738a8917fc392 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/rm.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/rm.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Micronesia (Weno)",
         "Pacific\/Wake": "Inslas pitschnas perifericas dals Stadis Unids da l’America (Wake)",
         "Pacific\/Wallis": "Wallis e Futuna (Matāʻutu)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ro.json b/src/Symfony/Component/Intl/Resources/data/timezones/ro.json
index 98db1fc09be0a..7349c14b62948 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ro.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ro.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Ora din Chuuk",
         "Pacific\/Wake": "Ora Insulei Wake",
         "Pacific\/Wallis": "Ora din Wallis și Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ru.json b/src/Symfony/Component/Intl/Resources/data/timezones/ru.json
index c645990ae2f5c..c861dbf105070 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ru.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ru.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Трук",
         "Pacific\/Wake": "Уэйк",
         "Pacific\/Wallis": "Уоллис и Футуна"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/rw.json b/src/Symfony/Component/Intl/Resources/data/timezones/rw.json
index fcd2d208ac4a2..d9b0f0785b53d 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/rw.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/rw.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Micronesia (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Wallis & Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/sd.json b/src/Symfony/Component/Intl/Resources/data/timezones/sd.json
index 7df47b24e3aed..488666d039731 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/sd.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/sd.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "چيوڪ جو وقت",
         "Pacific\/Wake": "ويڪ آئي لينڊ جو وقت",
         "Pacific\/Wallis": "ويلس ۽ فتونا جو وقت"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/se.json b/src/Symfony/Component/Intl/Resources/data/timezones/se.json
index 3d2624a9f38c9..fc99c77edf95a 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/se.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/se.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk (Mikronesia)",
         "Pacific\/Wake": "Wake (U.S. Outlying Islands)",
         "Pacific\/Wallis": "Wallis (Wallis ja Futuna)"
+    },
+    "Meta": {
+        "GmtFormat": "UTC%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "−%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/se_FI.json b/src/Symfony/Component/Intl/Resources/data/timezones/se_FI.json
index bd9d4314baad2..334e8f6a951a6 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/se_FI.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/se_FI.json
@@ -425,5 +425,12 @@
         "Pacific\/Truk": "Chuuka áigi",
         "Pacific\/Wake": "Wakesullo áigi",
         "Pacific\/Wallis": "Wallis- ja Futuna áigi"
+    },
+    "Meta": {
+        "GmtFormat": "%s GMT",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/sh.json b/src/Symfony/Component/Intl/Resources/data/timezones/sh.json
index c3ad18803af4a..a86dc3c9242e0 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/sh.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/sh.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Čuuk vreme (Truk)",
         "Pacific\/Wake": "Vejk ostrvo vreme",
         "Pacific\/Wallis": "Valis i Futuna Ostrva vreme"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/si.json b/src/Symfony/Component/Intl/Resources/data/timezones/si.json
index 4cd374a208703..0d8ccded67713 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/si.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/si.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "චුක් වේලාව (චූක්)",
         "Pacific\/Wake": "වේක් දූපත් වේලාව",
         "Pacific\/Wallis": "වැලිස් සහ ෆුටුනා වේලාව"
+    },
+    "Meta": {
+        "GmtFormat": "ග්‍රිමවේ%s",
+        "HourFormat": [
+            "+%02d.%02d",
+            "-%02d.%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/sk.json b/src/Symfony/Component/Intl/Resources/data/timezones/sk.json
index 30c13446ba1ea..f08f52e88e97e 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/sk.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/sk.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "chuukský čas",
         "Pacific\/Wake": "čas ostrova Wake",
         "Pacific\/Wallis": "čas ostrovov Wallis a Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/sl.json b/src/Symfony/Component/Intl/Resources/data/timezones/sl.json
index 9b216f6e7bf16..f5cff90993241 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/sl.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/sl.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Čas: Otok Chuuk",
         "Pacific\/Wake": "Čas: Otok Wake",
         "Pacific\/Wallis": "Čas: Wallis in Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d.%02d",
+            "-%02d.%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/so.json b/src/Symfony/Component/Intl/Resources/data/timezones/so.json
index e7e30a43a6a02..550f6259eeb32 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/so.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/so.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Waqtiga Juuk",
         "Pacific\/Wake": "Waqtiga Wayk Iylaanis (Wake)",
         "Pacific\/Wallis": "Waqtiga Walis & Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/sq.json b/src/Symfony/Component/Intl/Resources/data/timezones/sq.json
index 0ec2327413bb8..370062bd0961f 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/sq.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/sq.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Ora e Çukut",
         "Pacific\/Wake": "Ora e Ishullit Uejk",
         "Pacific\/Wallis": "Ora e Uollisit dhe Futunës"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/sr.json b/src/Symfony/Component/Intl/Resources/data/timezones/sr.json
index c374f77c104b6..c77df92a04de7 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/sr.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/sr.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Чуук време (Трук)",
         "Pacific\/Wake": "Вејк острво време",
         "Pacific\/Wallis": "Валис и Футуна Острва време"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/sr_Latn.json b/src/Symfony/Component/Intl/Resources/data/timezones/sr_Latn.json
index 04ae46483efb1..0f41dcc05bead 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/sr_Latn.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/sr_Latn.json
@@ -434,5 +434,6 @@
         "Pacific\/Truk": "Čuuk vreme (Truk)",
         "Pacific\/Wake": "Vejk ostrvo vreme",
         "Pacific\/Wallis": "Valis i Futuna Ostrva vreme"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/sv.json b/src/Symfony/Component/Intl/Resources/data/timezones/sv.json
index 0a3cf61151422..1db51b042ff35 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/sv.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/sv.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuktid",
         "Pacific\/Wake": "Wakeöarnas tid",
         "Pacific\/Wallis": "Wallis- och Futunaöarnas tid (Wallisön)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "−%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/sw.json b/src/Symfony/Component/Intl/Resources/data/timezones/sw.json
index 7f6871f191cf9..fb00d95119923 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/sw.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/sw.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Saa za Chuuk",
         "Pacific\/Wake": "Saa za Kisiwa cha Wake",
         "Pacific\/Wallis": "Saa za Wallis na Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT %s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ta.json b/src/Symfony/Component/Intl/Resources/data/timezones/ta.json
index 9b075b7ff9fe9..5f03736541511 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ta.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ta.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "சுக் நேரம்",
         "Pacific\/Wake": "வேக் தீவு நேரம்",
         "Pacific\/Wallis": "வாலிஸ் மற்றும் ஃப்யூடுனா நேரம்"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/te.json b/src/Symfony/Component/Intl/Resources/data/timezones/te.json
index 112f3ba9757a8..ec3229811d242 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/te.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/te.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "చక్ సమయం (చుక్)",
         "Pacific\/Wake": "వేక్ దీవి సమయం",
         "Pacific\/Wallis": "వాలీస్ మరియు ఫుటునా సమయం (వాల్లిస్)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/tg.json b/src/Symfony/Component/Intl/Resources/data/timezones/tg.json
index 748fcdc21efe1..9f4ea26c39812 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/tg.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/tg.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Штатҳои Федеративии Микронезия (Chuuk)",
         "Pacific\/Wake": "Ҷазираҳои Хурди Дурдасти ИМА (Wake)",
         "Pacific\/Wallis": "Уоллис ва Футуна (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/th.json b/src/Symfony/Component/Intl/Resources/data/timezones/th.json
index abd058c582892..01466e0dfc71a 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/th.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/th.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "เวลาชุก (ทรัก)",
         "Pacific\/Wake": "เวลาเกาะเวก",
         "Pacific\/Wallis": "เวลาวาลลิสและฟุตูนา"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ti.json b/src/Symfony/Component/Intl/Resources/data/timezones/ti.json
index 20d40d0be43fc..f232c821770d5 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ti.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ti.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "ሚክሮኔዢያ (Chuuk)",
         "Pacific\/Wake": "ናይ ኣሜሪካ ፍንትት ዝበሉ ደሴታት (Wake)",
         "Pacific\/Wallis": "ዋሊስን ፉቱናን (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/tk.json b/src/Symfony/Component/Intl/Resources/data/timezones/tk.json
index 33bbc2d752798..e7464fa1c44f6 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/tk.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/tk.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Çuuk wagty",
         "Pacific\/Wake": "Weýk adasy wagty",
         "Pacific\/Wallis": "Uollis we Futuna wagty"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/tl.json b/src/Symfony/Component/Intl/Resources/data/timezones/tl.json
index 94de62402f982..56bb247014e93 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/tl.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/tl.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Oras sa Chuuk",
         "Pacific\/Wake": "Oras sa Wake Island",
         "Pacific\/Wallis": "Oras sa Wallis & Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/to.json b/src/Symfony/Component/Intl/Resources/data/timezones/to.json
index d3120e5253834..9babd8c83b4b3 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/to.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/to.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "houa fakatūke",
         "Pacific\/Wake": "houa fakamotuueke (Wake)",
         "Pacific\/Wallis": "houa fakaʻuvea mo futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/tr.json b/src/Symfony/Component/Intl/Resources/data/timezones/tr.json
index cd33e0e276e15..b66a24250e7f4 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/tr.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/tr.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk Saati",
         "Pacific\/Wake": "Wake Adası Saati",
         "Pacific\/Wallis": "Wallis ve Futuna Saati"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/tt.json b/src/Symfony/Component/Intl/Resources/data/timezones/tt.json
index b8be5f8e70d98..aa56abb2fe880 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/tt.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/tt.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Микронезия (Chuuk)",
         "Pacific\/Wake": "АКШ Кече Читтәге утраулары (Wake)",
         "Pacific\/Wallis": "Уоллис һәм Футуна (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ug.json b/src/Symfony/Component/Intl/Resources/data/timezones/ug.json
index b9569f184ed83..cd52220cc1d80 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ug.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ug.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "چۇك ۋاقتى (Chuuk)",
         "Pacific\/Wake": "ۋېيك ئارىلى ۋاقتى (Wake)",
         "Pacific\/Wallis": "ۋاللىس ۋە فۇتۇنا ۋاقتى (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/uk.json b/src/Symfony/Component/Intl/Resources/data/timezones/uk.json
index a9b859bbbfd84..3ed488775e993 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/uk.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/uk.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "за часом на островах Чуук",
         "Pacific\/Wake": "за часом на острові Вейк",
         "Pacific\/Wallis": "за часом на островах Уолліс і Футуна"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ur.json b/src/Symfony/Component/Intl/Resources/data/timezones/ur.json
index 424599bb81a23..fd0233d2c0ed4 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ur.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ur.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "چوک ٹائم (چیوک)",
         "Pacific\/Wake": "ویک آئلینڈ ٹائم",
         "Pacific\/Wallis": "والیز اور فٹونا ٹائم (ولّیس)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT %s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/ur_IN.json b/src/Symfony/Component/Intl/Resources/data/timezones/ur_IN.json
index 3a19a04a8a1fe..22a40a57ae171 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/ur_IN.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/ur_IN.json
@@ -125,5 +125,8 @@
         "Pacific\/Auckland": "نیوزی لینڈ ٹائم (آکلینڈ)",
         "Pacific\/Easter": "ایسٹر آئلینڈ ٹائم",
         "Pacific\/Galapagos": "گالاپاگوز ٹائم (گیلاپیگوس)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s"
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/uz.json b/src/Symfony/Component/Intl/Resources/data/timezones/uz.json
index e4fa9269173f4..66d54693c6a4d 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/uz.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/uz.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Chuuk vaqti (Truk orollari)",
         "Pacific\/Wake": "Ueyk oroli vaqti",
         "Pacific\/Wallis": "Uollis va Futuna vaqti"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/uz_Arab.json b/src/Symfony/Component/Intl/Resources/data/timezones/uz_Arab.json
index 585ba9ed4c938..622375bfe9e57 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/uz_Arab.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/uz_Arab.json
@@ -2,5 +2,6 @@
     "Version": "2.1.47.82",
     "Names": {
         "Asia\/Kabul": "Afgʻoniston vaqti (کابل)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/uz_Cyrl.json b/src/Symfony/Component/Intl/Resources/data/timezones/uz_Cyrl.json
index f089ec487af9f..f3bda2012ef33 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/uz_Cyrl.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/uz_Cyrl.json
@@ -418,5 +418,6 @@
         "Pacific\/Truk": "Чуук вақти (Chuuk)",
         "Pacific\/Wake": "Уэйк ороли вақти (Ueyk oroli)",
         "Pacific\/Wallis": "Уэллис ва Футуна вақти (Uollis)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/vi.json b/src/Symfony/Component/Intl/Resources/data/timezones/vi.json
index 10f73c713dcb6..94247fc422ce5 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/vi.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/vi.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Giờ Chuuk",
         "Pacific\/Wake": "Giờ Đảo Wake",
         "Pacific\/Wallis": "Giờ Wallis và Futuna"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/wo.json b/src/Symfony/Component/Intl/Resources/data/timezones/wo.json
index 1b835575bd8d7..1b7bcff0802fa 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/wo.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/wo.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Mikoronesi (Chuuk)",
         "Pacific\/Wake": "Duni Amerig Utar meer (Wake)",
         "Pacific\/Wallis": "Walis ak Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/yi.json b/src/Symfony/Component/Intl/Resources/data/timezones/yi.json
index 276dccdbddbcd..7317ff337149a 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/yi.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/yi.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "מיקראנעזיע (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Wallis & Futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/yo.json b/src/Symfony/Component/Intl/Resources/data/timezones/yo.json
index 2e657fe1d56d9..6e48e6812a62c 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/yo.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/yo.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Orílẹ́ède Makoronesia (Chuuk)",
         "Pacific\/Wake": "U.S. Outlying Islands (Wake)",
         "Pacific\/Wallis": "Orílẹ́ède Wali ati futuna (Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "WAT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/yo_BJ.json b/src/Symfony/Component/Intl/Resources/data/timezones/yo_BJ.json
index 2b07d4673da2b..fc5f32c7de504 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/yo_BJ.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/yo_BJ.json
@@ -8,5 +8,6 @@
         "Atlantic\/Madeira": "Àkókò Ìwɔ Oòrùn Europe (Madeira)",
         "Etc\/UTC": "Àpapɔ̀ Àkókò Àgbáyé",
         "Europe\/Lisbon": "Àkókò Ìwɔ Oòrùn Europe (Lisbon)"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/zh.json b/src/Symfony/Component/Intl/Resources/data/timezones/zh.json
index 9789410ad6ef6..83e17c95741e6 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/zh.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/zh.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "楚克时间（特鲁克群岛）",
         "Pacific\/Wake": "威克岛时间",
         "Pacific\/Wallis": "瓦利斯和富图纳时间"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/zh_HK.json b/src/Symfony/Component/Intl/Resources/data/timezones/zh_HK.json
index 4cab2cf5ba733..7574cb4b4ed31 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/zh_HK.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/zh_HK.json
@@ -197,5 +197,6 @@
         "Pacific\/Port_Moresby": "巴布亞新畿內亞時間（莫尔兹比港）",
         "Pacific\/Tongatapu": "湯加時間（湯加塔布島）",
         "Pacific\/Wake": "威克岛时间（威克島）"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hans_SG.json b/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hans_SG.json
index bb49cfa5fe8bc..343fdd7149dee 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hans_SG.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hans_SG.json
@@ -2,5 +2,6 @@
     "Version": "2.1.47.71",
     "Names": {
         "America\/Scoresbysund": "格陵兰岛东部时间（斯考斯伯松德）"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hant.json b/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hant.json
index cdd7beea6907f..9c2d00390574a 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hant.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hant.json
@@ -432,5 +432,6 @@
         "Pacific\/Truk": "楚克島時間",
         "Pacific\/Wake": "威克島時間",
         "Pacific\/Wallis": "瓦利斯和富圖納群島時間"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hant_HK.json b/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hant_HK.json
index eb1a110dc006d..fd205b2f61771 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hant_HK.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/zh_Hant_HK.json
@@ -224,5 +224,6 @@
         "Pacific\/Port_Moresby": "巴布亞新畿內亞時間（莫士比港）",
         "Pacific\/Tongatapu": "湯加時間（湯加塔布島）",
         "Pacific\/Wake": "威克島時間"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/zh_SG.json b/src/Symfony/Component/Intl/Resources/data/timezones/zh_SG.json
index bb49cfa5fe8bc..343fdd7149dee 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/zh_SG.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/zh_SG.json
@@ -2,5 +2,6 @@
     "Version": "2.1.47.71",
     "Names": {
         "America\/Scoresbysund": "格陵兰岛东部时间（斯考斯伯松德）"
-    }
+    },
+    "Meta": []
 }
diff --git a/src/Symfony/Component/Intl/Resources/data/timezones/zu.json b/src/Symfony/Component/Intl/Resources/data/timezones/zu.json
index db7e395d5f10f..4a0e1e9a99d62 100644
--- a/src/Symfony/Component/Intl/Resources/data/timezones/zu.json
+++ b/src/Symfony/Component/Intl/Resources/data/timezones/zu.json
@@ -435,5 +435,12 @@
         "Pacific\/Truk": "Isikhathi sase-Chuuk (i-Chuuk)",
         "Pacific\/Wake": "Isikhathi sase-Wake Island (i-Wake)",
         "Pacific\/Wallis": "Isikhathi sase-Wallis nase-Futuna (i-Wallis)"
+    },
+    "Meta": {
+        "GmtFormat": "GMT%s",
+        "HourFormat": [
+            "+%02d:%02d",
+            "-%02d:%02d"
+        ]
     }
 }
diff --git a/src/Symfony/Component/Intl/Tests/TimezonesTest.php b/src/Symfony/Component/Intl/Tests/TimezonesTest.php
index b637fcad87006..4152c6d99c738 100644
--- a/src/Symfony/Component/Intl/Tests/TimezonesTest.php
+++ b/src/Symfony/Component/Intl/Tests/TimezonesTest.php
@@ -532,6 +532,7 @@ public function testExists()
 
     public function testGetRawOffset()
     {
+        // timezones free from DST changes to avoid time-based variance
         $this->assertSame(0, Timezones::getRawOffset('Etc/UTC'));
         $this->assertSame(-10800, Timezones::getRawOffset('America/Buenos_Aires'));
         $this->assertSame(20700, Timezones::getRawOffset('Asia/Katmandu'));
@@ -539,9 +540,15 @@ public function testGetRawOffset()
 
     public function testGetGmtOffset()
     {
+        // timezones free from DST changes to avoid time-based variance
         $this->assertSame('GMT+00:00', Timezones::getGmtOffset('Etc/UTC'));
+        $this->assertSame('UTC+00:00', Timezones::getGmtOffset('Etc/UTC', null, 'fr'));
+        $this->assertSame('GMT +00:00', Timezones::getGmtOffset('Etc/GMT', null, 'ur'));
+        $this->assertSame('GMT+00:00', Timezones::getGmtOffset('Etc/GMT', null, 'ur_IN'));
         $this->assertSame('GMT-03:00', Timezones::getGmtOffset('America/Buenos_Aires'));
+        $this->assertSame('ཇི་ཨེམ་ཏི་-03:00', Timezones::getGmtOffset('America/Buenos_Aires', null, 'dz'));
         $this->assertSame('GMT+05:45', Timezones::getGmtOffset('Asia/Katmandu'));
+        $this->assertSame('GMT+5:45', Timezones::getGmtOffset('Asia/Katmandu', null, 'cs'));
     }
 
     public function testGetCountryCode()
diff --git a/src/Symfony/Component/Intl/Timezones.php b/src/Symfony/Component/Intl/Timezones.php
index 12a6c7e055b8b..89445212c7443 100644
--- a/src/Symfony/Component/Intl/Timezones.php
+++ b/src/Symfony/Component/Intl/Timezones.php
@@ -68,12 +68,12 @@ public static function getRawOffset(string $timezone, int $timestamp = null): in
         return $transitions[0]['offset'];
     }
 
-    public static function getGmtOffset(string $timezone, int $timestamp = null): string
+    public static function getGmtOffset(string $timezone, int $timestamp = null, string $displayLocale = null): string
     {
         $offset = self::getRawOffset($timezone, $timestamp);
         $abs = abs($offset);
 
-        return sprintf('GMT%s%02d:%02d', 0 <= $offset ? '+' : '-', $abs / 3600, $abs / 60 % 60);
+        return sprintf(self::readEntry(['Meta', 'GmtFormat'], $displayLocale), sprintf(self::readEntry(['Meta', 'HourFormat', 0 <= $offset ? 0 : 1], $displayLocale), $abs / 3600, $abs / 60 % 60));
     }
 
     public static function getCountryCode(string $timezone): string