diff --git a/src/LiveComponent/src/LiveComponentHydrator.php b/src/LiveComponent/src/LiveComponentHydrator.php
index 16078cffc05..9d439ca6e63 100644
--- a/src/LiveComponent/src/LiveComponentHydrator.php
+++ b/src/LiveComponent/src/LiveComponentHydrator.php
@@ -439,7 +439,7 @@ private function hydrateValue(mixed $value, LivePropMetadata $propMetadata, obje
         if ($propMetadata->collectionValueType() && Type::BUILTIN_TYPE_OBJECT === $propMetadata->collectionValueType()->getBuiltinType()) {
             $collectionClass = $propMetadata->collectionValueType()->getClassName();
             foreach ($value as $key => $objectItem) {
-                $value[$key] = $this->hydrateObjectValue($objectItem, $collectionClass, true, $parentObject::class, sprintf('%s.%s', $propMetadata->getName(), $key), $parentObject);
+                $value[$key] = $this->hydrateObjectValue($objectItem, $collectionClass, true, $propMetadata->getFormat(), $parentObject::class, sprintf('%s.%s', $propMetadata->getName(), $key), $parentObject);
             }
         }
 
@@ -461,10 +461,10 @@ private function hydrateValue(mixed $value, LivePropMetadata $propMetadata, obje
             return $value;
         }
 
-        return $this->hydrateObjectValue($value, $propMetadata->getType(), $propMetadata->allowsNull(), $parentObject::class, $propMetadata->getName(), $parentObject);
+        return $this->hydrateObjectValue($value, $propMetadata->getType(), $propMetadata->allowsNull(), $propMetadata->getFormat(), $parentObject::class, $propMetadata->getName(), $parentObject);
     }
 
-    private function hydrateObjectValue(mixed $value, string $className, bool $allowsNull, string $componentClassForError, string $propertyPathForError, object $component): ?object
+    private function hydrateObjectValue(mixed $value, string $className, bool $allowsNull, ?string $dateFormat, string $componentClassForError, string $propertyPathForError, object $component): ?object
     {
         // enum
         if (is_a($className, \BackedEnum::class, true)) {
@@ -485,6 +485,10 @@ private function hydrateObjectValue(mixed $value, string $className, bool $allow
                 throw new BadRequestHttpException(sprintf('The model path "%s" was sent an invalid data type "%s" for a date.', $propertyPathForError, get_debug_type($value)));
             }
 
+            if (null !== $dateFormat) {
+                return $className::createFromFormat($dateFormat, $value);
+            }
+
             return new $className($value);
         }
 
diff --git a/src/LiveComponent/tests/Integration/LiveComponentHydratorTest.php b/src/LiveComponent/tests/Integration/LiveComponentHydratorTest.php
index 75b8529adca..a922b855450 100644
--- a/src/LiveComponent/tests/Integration/LiveComponentHydratorTest.php
+++ b/src/LiveComponent/tests/Integration/LiveComponentHydratorTest.php
@@ -1144,7 +1144,7 @@ public function hydrateDate($data)
 
         yield 'Use the format option to control the date format' => [function () {
             return HydrationTest::create(new class() {
-                #[LiveProp(writable: true, format: 'Y-m-d')]
+                #[LiveProp(writable: true, format: 'Y. m. d.')]
                 public \DateTime $createdAt;
 
                 public function __construct()
@@ -1156,13 +1156,13 @@ public function __construct()
                    'createdAt' => new \DateTime('2023-03-05 9:23', new \DateTimeZone('America/New_York')),
                ])
                 ->assertDehydratesTo([
-                   'createdAt' => '2023-03-05',
+                   'createdAt' => '2023. 03. 05.',
                ])
                 ->userUpdatesProps([
-                   'createdAt' => '2024-04-06',
+                   'createdAt' => '2024. 04. 06.',
                ])
                 ->assertObjectAfterHydration(function (object $object) {
-                    self::assertSame('2024-04-06', $object->createdAt->format('Y-m-d'));
+                    self::assertSame('2024. 04. 06.', $object->createdAt->format('Y. m. d.'));
                 })
             ;
         }];