Bulova Time, the free iPhone application with alarm and world time functionality.
1world time
iPhone and iPad apps tagged "world time."
iTimeZone Keeps Your Head Straight
iTimeZone - You are scheduling a teleconference for 10:00am with your colleagues in New York, London and Tokyo. But what time will it be at their offices? Will anyone be in?
To solve this dilemma usually takes figuring out the time difference for each of these cities separately.
