The time used in the calculations can be adjusted using the Use time adjustments from location field on the Service Hours Table screen. This field indicates the location number on the Locations screen that specifies how the adjustments are performed.
You can make the following time adjustments using the Use time adjustments from location field:
Adjust the daylight saving time from the system time
Apply the time zone for a specific location
Apply the daylight saving time for a specific location
If this field is blank, no adjustments are made.