Time zone widget is a way to easily access the current time in multiple time zones from your phone’s notification center.
How:
* Launch TZ Widget and select you favorite time zones by scrolling down the list and swiping to the left. Selecting 1 through 4 to add the time zone in the widget from left to right (Far left = 1, Far right = 4).
* Add the widget to your notification center
* Any time you want to know the time in the other zones, just open the notification center
Why:
Instead of unlocking your phone and launching the World Clock, all you have to do now is swipe down on the locked screen.