> Example: to determine PST for 18:00 UT, subtract eight hours = 10:00 PST.
> Last weekend, we moved our clocks -back- an hour for PDT, so for the same
> UT of 18:00, our clocks now read 09:00 PDT. Therefore, to determine local
> time PDT, we need to subtract nine hours, not seven.
PST is UT-0700. PDT is UT-0800. 'nuff said?