Sorry I converted in the wrong direction for daylight saving time.

I just punched in 18:00 GMT to the time zone converter and then selected 'convert to US pacific' and got...

18:00:00 Monday March 30, 2009 in GMT converts to
11:00:00 Monday March 30, 2009 in US/Pacific

So it's 11am, not 9 or 10. I had a funny suspicion 9am was wrong because if standard conversion is 10am, then a spring forward in time would not produce 9am...duh...it should produce 11am, which is indeed correct.

I'm still going to check at 10am as well. They might not mean GMT and instead mean british daylight saving time, which will make our time the 10am time for pacific. Best to be safe!