not sure what the implications of this quick fix are, especially when upgrading from earlier versions we either have to use a different timezone depending on the server or fix timestamps on update, though shouldn't they be gmt already?

git-svn-id: file:///svn/phpbb/trunk@8467 89ea8834-ac86-4346-8a33-228a782c2dd0

phpBB/style.php

@@ -17,6 +17,7 @@ $phpEx = substr(strrchr(__FILE__, '.'), 1);
 
 // Report all errors, except notices
 error_reporting(E_ALL ^ E_NOTICE);
+date_default_timezone_set('UTC');
 
 require($phpbb_root_path . 'config.' . $phpEx);