The world’s best time zone app - free with ads. A linear clock display shows you what time it is in a list of locations. Creating and saving your own lists of zones is a snap. Use ZonedOut to pick a time, then create Calendar entries and share them with your friends and colleagues. Comes with built in data for:
All the pre-defined UNIX time zones available on your computer and phone, by region and country
NATO time zones
More than 150 airports
Pre-defined lists of time zones, including US, Canada, Europe, World and Top 10 Airports.
Plus you get the ability to search for any location and determine its time zone.