5 - Courts not to sit on Sunday except in special cases nor on Saturday in certain cases. - New York Statutes

§ 5. Courts not to sit on Sunday except in special cases nor on Saturday in certain cases. A court shall not be opened, or transact any business on Sunday, nor shall a court transact any business on a Saturday in any case where such day is kept as a holy day by any party to the case, except to receive a verdict or discharge a jury and for the receipt by the criminal court of the city of New York or a court of special sessions of a plea of guilty and the pronouncement of sentence thereon in any case in which such court has jurisdiction. An adjournment of a court on Saturday, unless made after a cause has been committed to a jury, must be to some other day than Sunday. But this section does not prevent the exercise of the jurisdiction of a magistrate, where it is necessary to preserve the peace, or, in a criminal case, to arrest, commit or discharge a person charged with an offense, or the granting of an injunction order by a justice of the supreme court when in his judgment it is necessary to prevent irremediable injury or the service of a summons with or without a complaint if accompanied by an injunction order and an order of such justice permitting service on that day.