24h World-Clock

This clock is the world clock of the indication for 24 hours.

This clock can display the time of three cities at same time.

This clock uses the time zone of iOS.

---select cities--- Tapping the "Where?" button Choosing three cities from time zone list

Time zone list Continent / Region / City or Continent / City

---simulating time--- Changing time to use the slider for past or future .