In reply to thecliff:
About 4 years ago, we all made a point of climbing on N Y Day. In Scotland, we inevitably a bit hungover, met for a brief boulder (luckily we have a volcano in our city centre) then to the pub. Quite good.
And we've done seacliffs on Jan 5th. Dress up lots, don't go out for too long, and go for nice food/booze after, and you'll feel epic.
Or hungover again.