This is very basic US Timezones clock, which shows the current time in Pacific, Mountain, Central and Eastern timezones in the united states. This app also has the timezones of Alaska and Hawaii.
It also has the timezones map for users convenience.
By using this app there is no need to worry about the timezones time conversation.
This handy app gives the overview view of all the major timezones of US, and also two additional timezones i.e Alaska timezone and Hawaii timezone.
No need to manually set anything here. All the timezones times are shown simultaneously.