diff --git a/src/Symfony/Component/Serializer/Normalizer/DateTimeNormalizer.php b/src/Symfony/Component/Serializer/Normalizer/DateTimeNormalizer.php
index be469a4d53..aaa4e8b940 100644
--- a/src/Symfony/Component/Serializer/Normalizer/DateTimeNormalizer.php
+++ b/src/Symfony/Component/Serializer/Normalizer/DateTimeNormalizer.php
@@ -59,7 +59,8 @@ class DateTimeNormalizer implements NormalizerInterface, DenormalizerInterface
         $timezone = $this->getTimezone($context);
 
         if (null !== $timezone) {
-            $object = (new \DateTimeImmutable('@'.$object->getTimestamp()))->setTimezone($timezone);
+            $object = clone $object;
+            $object = $object->setTimezone($timezone);
         }
 
         return $object->format($format);
diff --git a/src/Symfony/Component/Serializer/Tests/Normalizer/DateTimeNormalizerTest.php b/src/Symfony/Component/Serializer/Tests/Normalizer/DateTimeNormalizerTest.php
index 178519b30e..99b224996c 100644
--- a/src/Symfony/Component/Serializer/Tests/Normalizer/DateTimeNormalizerTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Normalizer/DateTimeNormalizerTest.php
@@ -78,6 +78,82 @@ class DateTimeNormalizerTest extends TestCase
         yield array('2016-12-01T09:00:00+09:00', new \DateTimeImmutable('2016/12/01', new \DateTimeZone('UTC')), new \DateTimeZone('Japan'));
     }
 
+    /**
+     * @dataProvider normalizeUsingTimeZonePassedInContextAndExpectedFormatWithMicrosecondsProvider
+     */
+    public function testNormalizeUsingTimeZonePassedInContextAndFormattedWithMicroseconds($expected, $expectedFormat, $input, $timezone)
+    {
+        $this->assertSame(
+            $expected,
+            $this->normalizer->normalize(
+                $input,
+                null,
+                array(
+                    DateTimeNormalizer::TIMEZONE_KEY => $timezone,
+                    DateTimeNormalizer::FORMAT_KEY => $expectedFormat,
+                )
+            )
+        );
+    }
+
+    public function normalizeUsingTimeZonePassedInContextAndExpectedFormatWithMicrosecondsProvider()
+    {
+        yield array(
+            '2018-12-01T18:03:06.067634',
+            'Y-m-d\TH:i:s.u',
+            \DateTime::createFromFormat(
+                'Y-m-d\TH:i:s.u',
+                '2018-12-01T18:03:06.067634',
+                new \DateTimeZone('UTC')
+            ),
+            null,
+        );
+
+        yield array(
+            '2018-12-01T18:03:06.067634',
+            'Y-m-d\TH:i:s.u',
+            \DateTime::createFromFormat(
+                'Y-m-d\TH:i:s.u',
+                '2018-12-01T18:03:06.067634',
+                new \DateTimeZone('UTC')
+            ),
+            new \DateTimeZone('UTC'),
+        );
+
+        yield array(
+            '2018-12-01T19:03:06.067634+01:00',
+            'Y-m-d\TH:i:s.uP',
+            \DateTimeImmutable::createFromFormat(
+                'Y-m-d\TH:i:s.u',
+                '2018-12-01T18:03:06.067634',
+                new \DateTimeZone('UTC')
+            ),
+            new \DateTimeZone('Europe/Rome'),
+        );
+
+        yield array(
+            '2018-12-01T20:03:06.067634+02:00',
+            'Y-m-d\TH:i:s.uP',
+            \DateTime::createFromFormat(
+                'Y-m-d\TH:i:s.u',
+                '2018-12-01T18:03:06.067634',
+                new \DateTimeZone('UTC')
+            ),
+            new \DateTimeZone('Europe/Kiev'),
+        );
+
+        yield array(
+            '2018-12-01T21:03:06.067634',
+            'Y-m-d\TH:i:s.u',
+            \DateTime::createFromFormat(
+                'Y-m-d\TH:i:s.u',
+                '2018-12-01T18:03:06.067634',
+                new \DateTimeZone('UTC')
+            ),
+            new \DateTimeZone('Europe/Moscow'),
+        );
+    }
+
     /**
      * @expectedException \Symfony\Component\Serializer\Exception\InvalidArgumentException
      * @expectedExceptionMessage The object must implement the "\DateTimeInterface".