The first clock displays the time based on your location when you set up iPhone. Add other clocks to show the time in other major cities and time zones.

The World Clock screen, with the Edit button in the upper-left corner and the Add button in the upper-right corner. Five horizontal bands display the time in five different cities around the world. Along the bottom, from left to right, are the World Clock, Alarm, Stopwatch, and Timer tabs

Ask Siri. Say something like:

  • “What time is it?”

  • “What time is it in London?”