World Clock; Stopwatch - Asus Zenfone 9 User Manual

World clock

Tap World Clock to access the world clock settings of your ASUS Phone.

Stopwatch

Tap Stopwatch to use your ASUS Phone as a stopwatch.
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Chapter 8: Travel and Maps
Tap this to edit the cities marked on your world clock
Tap this to add a new city to mark on your world clock's map.
Tap this button to start running the stopwatch feature