This was a problem raised that has stymied a few people, but can be found under the 'Profile' tab.
When this window is open, click 'Look and Layout Preferences' under the 'Modify Profile' menu, then enter into 'Time Offset' the number of hours difference from 'US Pacific
OK, if you don't know, then click the auto-detect link. Should be 8 for the UK (& Portugal?) and 9
[edited, coz I can't tell the time