Setting Time Zones and Business Hours : Modifying time zones for one or more devices
  
Modifying time zones for one or more devices
 
To modify the time zone associated with one or more devices
1. Log in to the UI as a user with administrative privilege.
2. Choose Configure > Device Manager. The Device Manager screen appears.
3. Select the device entries that you want to modify, and then click the actions menu at the top of the page and choose General > Edit. The Edit Device(s) screen appears.
4. Select the Location tab.
5. In the Time Zone field, select the appropriate time zone for the chosen location.
6. To record your selection, click Submit.