About World Clock
See your device's current time and date and follow clocks in cities around the world.
How it works
The device clock supplies the current instant. Time zones convert that instant for cities around the world.
How to use
- Read the main clock.
- Search for a city.
- Add or remove city clocks.
Practical example
Compare clocks for Brasília and London without changing the device's time.
Useful tips
Accuracy depends on your device clock. Daylight saving rules depend on time-zone data.