28
Pacific Daylight Time subtract 7 hours from GMT
Pacific Standard Time subtract 8 hours from GMT
Alaska Daylight Time subtract 8 hours from GMT
Alaska Standard Time subtract 9 hours from GMT
Hawaii-Aleutian Daylight Time subtract 9 hours from GMT
Hawaii-Aleutian Standard Time subtract 10 hours from GMT
11. TIME UPDATE BY
Once you enable the TIME SYNCHRONIZE, you can select the synchronization frequency
by:
DAY
MONTH
WEEK