Viewing and Updating Time Zone in a Report Filtered by Registration Date
The time zone in your reports will be the time zone that is selected in your Organization account Profile. If you create a report by registration date, you will see your current organization time zone when you pick your date range.
When setting your date range for your report filtered by registration date, select the blue
Change Time Zone button to go directly to your Organization Profile.
You can then update your time zone and return to reports.
save to update the changes.