Open the Fitbit app on your phone
Tap your profile picture or account icon
Select your Fitbit device
Tap App Settings or Device Settings
Turn on Automatic Time Zone if available
Sync your Fitbit with the app
Make sure your phone’s date, time, and time zone are correct
If the time is still wrong, restart your Fitbit and sync again
If needed, log out of the app, log back in, and sync once more