supplemental conditions. Special provisions in a contract that modify or qualify its general provisions.
Pacific Standard Time is two hours behind Central Standard Time. Pacific Daylight Time is one hour behind Central Standard Time.
See the sites below for more information...probably more than you actually require. The first one listed is most helpful. When it is 3:00am in the Central Time Zone...it is 1:00am in the Pacific Time Zone. There is a two hour difference. 1 am Pacific. Pacific time is -8 hours GMT, Central time is -6 hours GMT.