diff --git a/src/Symfony/Component/Yaml/Inline.php b/src/Symfony/Component/Yaml/Inline.php
index eafcbc7ab0..5f15e3c5b4 100644
--- a/src/Symfony/Component/Yaml/Inline.php
+++ b/src/Symfony/Component/Yaml/Inline.php
@@ -475,7 +475,12 @@ class Inline
                     case preg_match('/^(-|\+)?[0-9,]+(\.[0-9]+)?$/', $scalar):
                         return (float) str_replace(',', '', $scalar);
                     case preg_match(self::getTimestampRegex(), $scalar):
-                        return strtotime($scalar);
+                        $timeZone = date_default_timezone_get();
+                        date_default_timezone_set('UTC');
+                        $time = strtotime($scalar);
+                        date_default_timezone_set($timeZone);
+
+                        return $time;
                 }
             default:
                 return (string) $scalar;
diff --git a/src/Symfony/Component/Yaml/Tests/Fixtures/YtsSpecificationExamples.yml b/src/Symfony/Component/Yaml/Tests/Fixtures/YtsSpecificationExamples.yml
index a06df7fb31..cbbb257a02 100644
--- a/src/Symfony/Component/Yaml/Tests/Fixtures/YtsSpecificationExamples.yml
+++ b/src/Symfony/Component/Yaml/Tests/Fixtures/YtsSpecificationExamples.yml
@@ -752,7 +752,7 @@ yaml: |
     Billsmer @ 338-4338.
 php: |
   array(
-     'invoice' => 34843, 'date' => mktime(0, 0, 0, 1, 23, 2001),
+     'invoice' => 34843, 'date' => gmmktime(0, 0, 0, 1, 23, 2001),
      'bill-to' =>
       array( 'given' => 'Chris', 'family' => 'Dumars', 'address' => array( 'lines' => "458 Walkman Dr.\nSuite #292\n", 'city' => 'Royal Oak', 'state' => 'MI', 'postal' => 48046 ) )
      , 'ship-to' =>
@@ -877,7 +877,7 @@ yaml: |
 php: |
    array(
       'invoice' => 34843,
-      'date' => mktime(0, 0, 0, 1, 23, 2001),
+      'date' => gmmktime(0, 0, 0, 1, 23, 2001),
       'total' => 4443.52
    )
 ---
diff --git a/src/Symfony/Component/Yaml/Tests/InlineTest.php b/src/Symfony/Component/Yaml/Tests/InlineTest.php
index b259000e53..255928d16d 100644
--- a/src/Symfony/Component/Yaml/Tests/InlineTest.php
+++ b/src/Symfony/Component/Yaml/Tests/InlineTest.php
@@ -202,7 +202,7 @@ class InlineTest extends \PHPUnit_Framework_TestCase
             "'on'" => 'on',
             "'off'" => 'off',
 
-            '2007-10-30' => mktime(0, 0, 0, 10, 30, 2007),
+            '2007-10-30' => gmmktime(0, 0, 0, 10, 30, 2007),
             '2007-10-30T02:59:43Z' => gmmktime(2, 59, 43, 10, 30, 2007),
             '2007-10-30 02:59:43 Z' => gmmktime(2, 59, 43, 10, 30, 2007),
             '1960-10-30 02:59:43 Z' => gmmktime(2, 59, 43, 10, 30, 1960),