10:00:00 a.m. Thursday June 10, 2010 in PST8PDT converts to 05:00:00 p.m. [17:00:00] Thursday June 10, 2010 in GMT
Daylight Saving Time is in effect on this date/time in PST8PDT
Daylight Saving Time is not in effect on this date/time in GMT
PT (Pacific Time) also known as PST (Pacific Standard Time) is 8 hours behind GMT. So the answer is 2am.
At the moment, both are on daylight saving, so local times are 1 hour earlier than PST/GMT.