1.Tap the center of the 24-hour dial to unlock the face.
2. Tap Idon12no to scroll back through previous cities, tap city name to scroll forward through cities.
3. Tap 40 to go back one hour in 24-hour dial, tap 20 to go forward one hour without changing the city.
4. Tap center of 12-hour clock to alternate the two faces.
Uploaded on 20 Jun 2019