iTimeZone is a comprehensive World Clocks Calculator designed to simplify time zone calculations for over 93,000 cities. Whether you need to schedule meetings across different time zones or simply check the local time in a specific city, iTimeZone has you covered. It has been previously featured in the App Store's New and Noteworthy section, Apple Retail Stores, and Apple's World Wide Developer Conference (WWDC) 2009.

With a vast database of 93,000+ cities, including major populations like Greenwich, England for GMT/UTC time, iTimeZone ensures accurate time zone conversions. The app also offers features like city maps, easy city selection, offline time calculations, day/night indicators, country flags, and support for iOS 4 multitasking and iPhone 4 Retina Display Graphics.