The Doge's Palace is opene every day except for the 25th Deceber and 1st January.
OPENING HOURS
01 April-31 October, the Palace is open from 8:30 am to 7:00 pm. Last entrance at 6:00 pm;
01 November-31 March, the Palace is open from 8:30 am to 5:30 pm. Last entrance at 4:30 pm.
PLEASE NOTE: this ticket is a cumulative ticket which allows a single entrance to each of the following museums: the Doge's Palace, the Correr Museum, the Biblioteca Marciana and the National Archaeological Museum.