1. After paring the watch to the Nothing X app, go to Device Settings > World clock and add a region in the upper right corner
2. On the watch, press the Functional Crown of the watch to enter the menu page and scroll down to find World clock. For the selected region, you can quickly click in World clock to view the current time, day of the week and time difference between the region and the current time zone of the watch.
Tips: Please remember to connect to the Nothing X app regularly to update the latest time of the world clock you selected (switching between winter time and summer time)