2024-12-29 00:00:00 [How to use 24-hour format] If you want to change the time format, you can set it in the path below on the phone connected to the watch. *The connected phone - Settings - General management - Date and time - Use 24-hour format. If checked, the watch will also be in 24-hour format, and if unchecked, the watch will be in 12-hour format.