now()->format('Y-m-d H:i:s T (P)')); date_default_timezone_set('America/Los_Angeles'); printf("Now it's %s\n", $clock->now()->format('Y-m-d H:i:s T (P)')); date_default_timezone_set('Europe/Berlin'); printf("Now it's %s\n", $clock->now()->format('Y-m-d H:i:s T (P)'));