wip

Author: lazka

src/Serializer/DateTimeUtcNormalizer.php

@@ -38,10 +38,7 @@ public function normalize(mixed $data, ?string $format = null, array $context =
     {
         assert($data instanceof \DateTimeInterface);
 
-        $utc = \DateTimeImmutable::createFromFormat('U.u', $data->format('U.u'), self::utc());
-        if ($utc === false) {
-            throw new \RuntimeException('Failed to normalize DateTimeInterface value.');
-        }
+        $utc = \DateTimeImmutable::createFromInterface($data)->setTimezone(self::utc());
 
         return $utc->format(self::FORMAT_MILLISECONDS);
     }
@@ -68,7 +65,7 @@ public function denormalize(mixed $data, string $type, ?string $format = null, a
                     return $dt;
                 }
 
-                throw new \RuntimeException('Unsupported DateTime implementation.');
+                throw new \RuntimeException('Unsupported DateTimeInterface implementation.');
             }
         }