diff --git a/Utilities/Clock.php b/Utilities/Clock.php
index <HASH>..<HASH> 100644
--- a/Utilities/Clock.php
+++ b/Utilities/Clock.php
@@ -6,6 +6,7 @@
 namespace Ouzo\Utilities;
 
 use DateTime;
+use DateTimeZone;
 
 /**
  * Class Clock
@@ -186,4 +187,10 @@ class Clock
     {
         return $this->getTimestamp() < $other->getTimestamp();
     }
+
+    public function setTimezone($timezone)
+    {
+        $this->dateTime->setTimezone(new DateTimeZone($timezone));
+        return $this;
+    }
 }
Added setTimezone to Clock.