I usually do this process using the Fitbit App from myAndroid phone, you can follow this steps to do it if you have anAndroid too:
From the Fitbit app dashboard, tap the menu icon in the topleft corner and tap Account.
Tap Settings. Select your timezone.
Sync your tracker:
One may also ask, how do I setup my Fitbit? Set Up Your Fitbit on an Android Smartphone
Download and open the Fitbit app from Google Play.
Tap Join Fitbit.
Choose your Fitbit device.
Select Set Up.
Create an account.
Fill out your personal information, and tap Save to finish yourprofile.
Pair Your Tracker with your phone so that you can sync theactivity monitored by your device with the Fitbit app.
One may also ask, how do I change the date and time on my Fitbit Charge 2?
To correct the time on your tracker and Fitbit app, do thefollowing:
Find an option to modify your time zone.
Under Settings, tap Advanced Settings.
From the Fitbit app dashboard, tap the Account tab.
Sync your tracker: Go back to the Account tab and tap yourtracker name. Tap Sync Now.
Why is the time on my Fitbit wrong?
If you changed time zones and the time on your deviceis still incorrect after syncing, make sure the time zonesetting is correct. From the Fitbit app dashboard, tap theAccount icon ( ). Under Time Zone, turn off the SetAutomatically option.