7:00 pm - 10:00 pm
Dressy-ish: Sport coat and jeans, slacks and a button up, dress or skirt, dark jeans with a favorite blouse, etc.
There will be light bites in addition to beer and wine.
5:00 pm - 10:00 pm
Semi-Formal: Tuxes and gowns are welcome, and so are suits and cocktail dresses.
10:30 pm
For those who want to keep the party going.