diff --git a/UPGRADE-6.4.md b/UPGRADE-6.4.md
index b0ac21e7cab95..90dde7a3849c0 100644
--- a/UPGRADE-6.4.md
+++ b/UPGRADE-6.4.md
@@ -8,6 +8,12 @@ DoctrineBridge
  * Deprecate not constructing `DoctrineDataCollector` with an instance of `DebugDataHolder`
  * Deprecate `DoctrineDataCollector::addLogger()`, use a `DebugDataHolder` instead
 
+Form
+----
+
+ * Deprecate using `DateTime` or `DateTimeImmutable` model data with a different timezone than configured with the
+   `model_timezone` option in `DateType`, `DateTimeType`, and `TimeType`
+
 HttpFoundation
 --------------
 
diff --git a/src/Symfony/Component/Form/CHANGELOG.md b/src/Symfony/Component/Form/CHANGELOG.md
index 1ff39c9726070..22597f3b47215 100644
--- a/src/Symfony/Component/Form/CHANGELOG.md
+++ b/src/Symfony/Component/Form/CHANGELOG.md
@@ -1,6 +1,12 @@
 CHANGELOG
 =========
 
+6.4
+---
+
+ * Deprecate using `DateTime` or `DateTimeImmutable` model data with a different timezone than configured with the
+   `model_timezone` option in `DateType`, `DateTimeType`, and `TimeType`
+
 6.3
 ---
 
diff --git a/src/Symfony/Component/Form/Extension/Core/Type/DateTimeType.php b/src/Symfony/Component/Form/Extension/Core/Type/DateTimeType.php
index 32c58447cdfb2..9ec4c9cca4739 100644
--- a/src/Symfony/Component/Form/Extension/Core/Type/DateTimeType.php
+++ b/src/Symfony/Component/Form/Extension/Core/Type/DateTimeType.php
@@ -22,6 +22,8 @@
 use Symfony\Component\Form\Extension\Core\DataTransformer\DateTimeToStringTransformer;
 use Symfony\Component\Form\Extension\Core\DataTransformer\DateTimeToTimestampTransformer;
 use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\Form\FormEvent;
+use Symfony\Component\Form\FormEvents;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\FormView;
 use Symfony\Component\Form\ReversedTransformer;
@@ -194,6 +196,21 @@ public function buildForm(FormBuilderInterface $builder, array $options)
                 new DateTimeToArrayTransformer($options['model_timezone'], $options['model_timezone'], $parts)
             ));
         }
+
+        if (\in_array($options['input'], ['datetime', 'datetime_immutable'], true) && null !== $options['model_timezone']) {
+            $builder->addEventListener(FormEvents::POST_SET_DATA, static function (FormEvent $event) use ($options): void {
+                $date = $event->getData();
+
+                if (!$date instanceof \DateTimeInterface) {
+                    return;
+                }
+
+                if ($date->getTimezone()->getName() !== $options['model_timezone']) {
+                    trigger_deprecation('symfony/form', '6.4', sprintf('Using a "%s" instance with a timezone ("%s") not matching the configured model timezone "%s" is deprecated.', $date::class, $date->getTimezone()->getName(), $options['model_timezone']));
+                    // throw new LogicException(sprintf('Using a "%s" instance with a timezone ("%s") not matching the configured model timezone "%s" is not supported.', $date::class, $date->getTimezone()->getName(), $options['model_timezone']));
+                }
+            });
+        }
     }
 
     /**
diff --git a/src/Symfony/Component/Form/Extension/Core/Type/DateType.php b/src/Symfony/Component/Form/Extension/Core/Type/DateType.php
index 80023affcb000..480afc315f2ad 100644
--- a/src/Symfony/Component/Form/Extension/Core/Type/DateType.php
+++ b/src/Symfony/Component/Form/Extension/Core/Type/DateType.php
@@ -19,6 +19,8 @@
 use Symfony\Component\Form\Extension\Core\DataTransformer\DateTimeToStringTransformer;
 use Symfony\Component\Form\Extension\Core\DataTransformer\DateTimeToTimestampTransformer;
 use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\Form\FormEvent;
+use Symfony\Component\Form\FormEvents;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\FormView;
 use Symfony\Component\Form\ReversedTransformer;
@@ -178,6 +180,21 @@ class_exists(\IntlTimeZone::class, false) ? \IntlTimeZone::createDefault() : nul
                 new DateTimeToArrayTransformer($options['model_timezone'], $options['model_timezone'], ['year', 'month', 'day'])
             ));
         }
+
+        if (\in_array($options['input'], ['datetime', 'datetime_immutable'], true) && null !== $options['model_timezone']) {
+            $builder->addEventListener(FormEvents::POST_SET_DATA, static function (FormEvent $event) use ($options): void {
+                $date = $event->getData();
+
+                if (!$date instanceof \DateTimeInterface) {
+                    return;
+                }
+
+                if ($date->getTimezone()->getName() !== $options['model_timezone']) {
+                    trigger_deprecation('symfony/form', '6.4', sprintf('Using a "%s" instance with a timezone ("%s") not matching the configured model timezone "%s" is deprecated.', $date::class, $date->getTimezone()->getName(), $options['model_timezone']));
+                    // throw new LogicException(sprintf('Using a "%s" instance with a timezone ("%s") not matching the configured model timezone "%s" is not supported.', $date::class, $date->getTimezone()->getName(), $options['model_timezone']));
+                }
+            });
+        }
     }
 
     /**
diff --git a/src/Symfony/Component/Form/Extension/Core/Type/TimeType.php b/src/Symfony/Component/Form/Extension/Core/Type/TimeType.php
index c7d5276960831..623259f17a001 100644
--- a/src/Symfony/Component/Form/Extension/Core/Type/TimeType.php
+++ b/src/Symfony/Component/Form/Extension/Core/Type/TimeType.php
@@ -208,6 +208,21 @@ public function buildForm(FormBuilderInterface $builder, array $options)
                 new DateTimeToArrayTransformer($options['model_timezone'], $options['model_timezone'], $parts, 'text' === $options['widget'], $options['reference_date'])
             ));
         }
+
+        if (\in_array($options['input'], ['datetime', 'datetime_immutable'], true) && null !== $options['model_timezone']) {
+            $builder->addEventListener(FormEvents::POST_SET_DATA, static function (FormEvent $event) use ($options): void {
+                $date = $event->getData();
+
+                if (!$date instanceof \DateTimeInterface) {
+                    return;
+                }
+
+                if ($date->getTimezone()->getName() !== $options['model_timezone']) {
+                    trigger_deprecation('symfony/form', '6.4', sprintf('Using a "%s" instance with a timezone ("%s") not matching the configured model timezone "%s" is deprecated.', $date::class, $date->getTimezone()->getName(), $options['model_timezone']));
+                    // throw new LogicException(sprintf('Using a "%s" instance with a timezone ("%s") not matching the configured model timezone "%s" is not supported.', $date::class, $date->getTimezone()->getName(), $options['model_timezone']));
+                }
+            });
+        }
     }
 
     /**
diff --git a/src/Symfony/Component/Form/Tests/Extension/Core/Type/DateTimeTypeTest.php b/src/Symfony/Component/Form/Tests/Extension/Core/Type/DateTimeTypeTest.php
index a2058596eeeee..71020a06b9b44 100644
--- a/src/Symfony/Component/Form/Tests/Extension/Core/Type/DateTimeTypeTest.php
+++ b/src/Symfony/Component/Form/Tests/Extension/Core/Type/DateTimeTypeTest.php
@@ -11,11 +11,14 @@
 
 namespace Symfony\Component\Form\Tests\Extension\Core\Type;
 
+use Symfony\Bridge\PhpUnit\ExpectDeprecationTrait;
 use Symfony\Component\Form\FormError;
 use Symfony\Component\Form\FormInterface;
 
 class DateTimeTypeTest extends BaseTypeTestCase
 {
+    use ExpectDeprecationTrait;
+
     public const TESTED_TYPE = 'Symfony\Component\Form\Extension\Core\Type\DateTimeType';
 
     private $defaultLocale;
@@ -154,7 +157,7 @@ public function testSubmitWithoutMinutes()
             'with_minutes' => false,
         ]);
 
-        $form->setData(new \DateTime());
+        $form->setData(new \DateTime('now', new \DateTimeZone('UTC')));
 
         $input = [
             'date' => [
@@ -184,7 +187,7 @@ public function testSubmitWithSeconds()
             'with_seconds' => true,
         ]);
 
-        $form->setData(new \DateTime());
+        $form->setData(new \DateTime('now', new \DateTimeZone('UTC')));
 
         $input = [
             'date' => [
@@ -748,6 +751,35 @@ public function testSubmitStringWithCustomInputFormat()
         $this->assertSame('14/01/2018 21:29:00 +00:00', $form->getData());
     }
 
+    /**
+     * @group legacy
+     */
+    public function testDateTimeInputTimezoneNotMatchingModelTimezone()
+    {
+        $this->expectDeprecation('Since symfony/form 6.4: Using a "DateTime" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is deprecated.');
+        // $this->expectException(LogicException::class);
+        // $this->expectExceptionMessage('Using a "DateTime" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is not supported.');
+
+        $this->factory->create(static::TESTED_TYPE, new \DateTime('now', new \DateTimeZone('UTC')), [
+            'model_timezone' => 'Europe/Berlin',
+        ]);
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testDateTimeImmutableInputTimezoneNotMatchingModelTimezone()
+    {
+        $this->expectDeprecation('Since symfony/form 6.4: Using a "DateTimeImmutable" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is deprecated.');
+        // $this->expectException(LogicException::class);
+        // $this->expectExceptionMessage('Using a "DateTimeImmutable" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is not supported.');
+
+        $this->factory->create(static::TESTED_TYPE, new \DateTimeImmutable('now', new \DateTimeZone('UTC')), [
+            'input' => 'datetime_immutable',
+            'model_timezone' => 'Europe/Berlin',
+        ]);
+    }
+
     protected function getTestOptions(): array
     {
         return ['widget' => 'choice'];
diff --git a/src/Symfony/Component/Form/Tests/Extension/Core/Type/DateTypeTest.php b/src/Symfony/Component/Form/Tests/Extension/Core/Type/DateTypeTest.php
index abda1a6c071f2..bb171ffe88735 100644
--- a/src/Symfony/Component/Form/Tests/Extension/Core/Type/DateTypeTest.php
+++ b/src/Symfony/Component/Form/Tests/Extension/Core/Type/DateTypeTest.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Form\Tests\Extension\Core\Type;
 
+use Symfony\Bridge\PhpUnit\ExpectDeprecationTrait;
 use Symfony\Component\Form\ChoiceList\View\ChoiceView;
 use Symfony\Component\Form\FormError;
 use Symfony\Component\Form\FormInterface;
@@ -19,6 +20,8 @@
 
 class DateTypeTest extends BaseTypeTestCase
 {
+    use ExpectDeprecationTrait;
+
     public const TESTED_TYPE = 'Symfony\Component\Form\Extension\Core\Type\DateType';
 
     private $defaultTimezone;
@@ -654,7 +657,7 @@ public function testIsSynchronizedReturnsTrueIfChoiceAndCompletelyEmpty()
 
     public function testIsSynchronizedReturnsTrueIfChoiceAndCompletelyFilled()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, new \DateTime(), [
+        $form = $this->factory->create(static::TESTED_TYPE, new \DateTime('now', new \DateTimeZone('UTC')), [
             'model_timezone' => 'UTC',
             'view_timezone' => 'UTC',
             'widget' => 'choice',
@@ -1112,6 +1115,35 @@ public function testSubmitStringWithCustomInputFormat()
         $this->assertSame('14/01/2018', $form->getData());
     }
 
+    /**
+     * @group legacy
+     */
+    public function testDateTimeInputTimezoneNotMatchingModelTimezone()
+    {
+        $this->expectDeprecation('Since symfony/form 6.4: Using a "DateTime" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is deprecated.');
+        // $this->expectException(LogicException::class);
+        // $this->expectExceptionMessage('Using a "DateTime" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is not supported.');
+
+        $this->factory->create(static::TESTED_TYPE, new \DateTime('now', new \DateTimeZone('UTC')), [
+            'model_timezone' => 'Europe/Berlin',
+        ]);
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testDateTimeImmutableInputTimezoneNotMatchingModelTimezone()
+    {
+        $this->expectDeprecation('Since symfony/form 6.4: Using a "DateTimeImmutable" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is deprecated.');
+        // $this->expectException(LogicException::class);
+        // $this->expectExceptionMessage('Using a "DateTimeImmutable" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is not supported.');
+
+        $this->factory->create(static::TESTED_TYPE, new \DateTimeImmutable('now', new \DateTimeZone('UTC')), [
+            'input' => 'datetime_immutable',
+            'model_timezone' => 'Europe/Berlin',
+        ]);
+    }
+
     protected function getTestOptions(): array
     {
         return ['widget' => 'choice'];
diff --git a/src/Symfony/Component/Form/Tests/Extension/Core/Type/TimeTypeTest.php b/src/Symfony/Component/Form/Tests/Extension/Core/Type/TimeTypeTest.php
index 4ed930bbd5381..3e8e42f4a8f7a 100644
--- a/src/Symfony/Component/Form/Tests/Extension/Core/Type/TimeTypeTest.php
+++ b/src/Symfony/Component/Form/Tests/Extension/Core/Type/TimeTypeTest.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Form\Tests\Extension\Core\Type;
 
+use Symfony\Bridge\PhpUnit\ExpectDeprecationTrait;
 use Symfony\Component\Form\ChoiceList\View\ChoiceView;
 use Symfony\Component\Form\Exception\InvalidConfigurationException;
 use Symfony\Component\Form\Exception\LogicException;
@@ -20,6 +21,8 @@
 
 class TimeTypeTest extends BaseTypeTestCase
 {
+    use ExpectDeprecationTrait;
+
     public const TESTED_TYPE = 'Symfony\Component\Form\Extension\Core\Type\TimeType';
 
     public function testSubmitDateTime()
@@ -1161,6 +1164,35 @@ public static function provideEmptyData()
         ];
     }
 
+    /**
+     * @group legacy
+     */
+    public function testDateTimeInputTimezoneNotMatchingModelTimezone()
+    {
+        $this->expectDeprecation('Since symfony/form 6.4: Using a "DateTime" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is deprecated.');
+        // $this->expectException(LogicException::class);
+        // $this->expectExceptionMessage('Using a "DateTime" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is not supported.');
+
+        $this->factory->create(static::TESTED_TYPE, new \DateTime('now', new \DateTimeZone('UTC')), [
+            'model_timezone' => 'Europe/Berlin',
+        ]);
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testDateTimeImmutableInputTimezoneNotMatchingModelTimezone()
+    {
+        $this->expectDeprecation('Since symfony/form 6.4: Using a "DateTimeImmutable" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is deprecated.');
+        // $this->expectException(LogicException::class);
+        // $this->expectExceptionMessage('Using a "DateTimeImmutable" instance with a timezone ("UTC") not matching the configured model timezone "Europe/Berlin" is not supported.');
+
+        $this->factory->create(static::TESTED_TYPE, new \DateTimeImmutable('now', new \DateTimeZone('UTC')), [
+            'input' => 'datetime_immutable',
+            'model_timezone' => 'Europe/Berlin',
+        ]);
+    }
+
     protected function getTestOptions(): array
     {
         return ['widget' => 'choice'];