--- wp-settings.php.ori	2009-12-14 00:38:06.000000000 +0100
+++ wp-settings.php	2009-12-29 20:57:22.296875000 +0100
@@ -19,7 +19,7 @@
 @ini_set('magic_quotes_sybase', 0);
 
 if ( function_exists('date_default_timezone_set') )
-	date_default_timezone_set('UTC');
+	date_default_timezone_set( date_default_timezone_get() );
 
 /**
  * Turn register globals off.