In the Common section of the CONFIG tab, select the Region and then the Time Zone associated with the region. Timezones are used for Recent Audit Logs (for the Person Details, Group Details, Door Details pages) as well as in the Events Reports and Live Events screens.
Select the appropriate time zone from the Region and Time Zone drop-down menus. The list of timezones is grouped by regions. Select the Region and then the Time Zone associated with the region.
NOTE: Be sure to indicate the proper time zone during daylight savings time (if applicable).