Non-administrators user to change system clock and timezone

Change system clock only

By using local security policy to add the user to “Change the system clock”

For more information:

http://support.bsiusa.com/FAQ/restrictedtimesync/restrictedtimesync.php

 

Change system clock timezone (By default only administrator and Power user allow to change)

Grant the Change system time user right, and then add the following permissions on the HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TimeZoneInformation registry key:

• Query Value
• Set Value
• Create Subkey
• Enumerate Subkey
• Notify
• Read Control

For more information:

http://support.microsoft.com/kb/300022

Non-administrators user to change system clock and timezone