My iPod time settings are under Settings/Date and Time -- but I don't remember having to switch that for daylight savings time here a week ago, so I'm with cactus_cat. I'd expect it to update automatically....

Yay, shopping, but boo, wedding clothing. Maybe google for people's wedding pictures and see what the guests are wearing? (Heh, Google: the ever-trustworthy source for issues on which I'm lost.) Or maybe ask your uncle's wife-to-be for hints, if you know her well enough?