Time zone settings can be found on the Profile page.
If due dates are not appearing correctly on lessons, or if you move interstate and maintains one account on Stile, then the account's time zone settings can be updated to reflect your current location.
Click on your name (or Edit profile) in the top right corner of the app to access the profile page.
Click on Edit profile to access the time zone setting.
Enter your nearest city in the location field and select the best option from the choices that appear. Click Save to save the new settings.