N.Y. Comp. Codes R. & Regs. tit. 9, § 4603.8
Except as provided in the Games of Chance Licensing Law, no games of chance shall be commenced under any license issued under this Chapter on Sunday, unless it shall be otherwise provided in the license issued for the conducting thereof, pursuant to the provisions of a local law or an ordinance duly adopted by the governing body of the municipality wherein the license is issued, authorizing the conduct of games of chance under this Chapter on that day between the hours of noon and midnight only, except if the following day is a legal holiday. Notwithstanding the foregoing provisions of this section, no games of chance shall be conducted on Easter Sunday or Christmas Day.