Windows allows you to customize how the time is displayed in Windows so that it includes leading zeros or changes it from 12 hour to 24 hour format.

Bring your tracker into the correct time zone and 12/24 hour format. Changing the time on your Fitbit might not seem necessary at first, but there are situations in which you’ll want to manually ...

Learn how to change Time format in Lock Screen in Windows 11/10. Change the clock to a 12-hour or 24-hour format using Settings or Control Panel.