Mayor Bill de Blasio and First Lady Chirlane McCray are set to host the annual Gracie Mansion Holiday Open House.
The event will be held on Dec. 16.
A total of 3,000 lucky New Yorkers will be chosen from a lottery to attend the event.
Monday is the first day to sign up for a chance to win up to four tickets in the lottery.
The lottery runs until Dec. 14.