Thanks to Mark Nelson Events here is the low down pertaining to New Year's Day "circuit events" in NYC.
Moments after the New Year's Eve Ball descends from the flagpole atop One Times Square, the Saint At Large will ring in the New Year with an After the Ball - New Years Party at the Nokia Theater at 1515 Broadway and 44th Street in Times Square from 12:30 am until 8 am, featuring DJ Manny Lehman.
The music of Victor Calderone will get you through the day at the 9 am until 9 pm New Years Day Party at Pacha New York at 618 West 46th Street. DJ Boris will preceed Calderone from 9 pm until 9am.
And the New Year's Event w/ Junior Vasquez will get you through the night at Sol NYC at 609 West 29th Street, from 9 pm until 4 am.