Travelers World Clock is the prefect clock for all travelers.
This Clock app allows you to add multiple timezones of important cities around the world and see how these timezones change with respect the current timezone.
This app allows you to easily change the current time and date, and it adjusts the timezones to reflect the changes.
The app can be used to calculate what time will be in a particular city, in 1, 2, 4 hours from now or from any date.