I know i am early, but merry christmas/hannukah/kwanzaa/Yule/other festivities in advance.
Doesn't christmas have two days and a christmas eve everywhere?
Nope. Just Christmas Eve and Christmas Day here in America for most. You can try to celebrate the Christmas Season (December 25-Jan 6) but the whole nation conspires against you.
Buon Natale! (Italian)
Some places celebrate Boxing Day (Dec. 26), but I'm not 100% sure what that's about.
Very British...I think that's a British thing.