When you create an account on TikTok Ads Manager, you'll be able to select your time zone. TikTok Ads Manager works with time zones that are either full hour or half hour ahead or behind Greenwich Mean Time (GMT)/Coordinated Universal Time (UTC).
Note: TikTok Ads Manager does not support time zones that use quarter hour deviations and daylight savings time.
Your time zone affects:
The time your data is displayed on the platform, including in reports.
Your ad delivery settings, including start and end times.
Your bill cycle dates for invoicing when calculating your total ad costs.
Note: You will be unable to change your time zone after selecting it during account registration.
Use the following steps to access your select time zone Tiktok Ads Manager.
Log in to TikTok Ads Manager.
Go to the Tools tab.
Click Account setup and view your selected time zone.