OPENING HOURS  Opening Hours: From 21 March to 22 September: 9:00 – 18:00 From 23 September to 20 March: 9:00 – 17:00 The Museum is open everyday except Mondays and national holidays which are announced by the General Office of Museums. The National Museum is also closed on the 5th of February, 13th of February, 11th of September, 14th of October, 26th of December, 27th of December, 4th of June, 5th of June. The Museum is free to all visitors in the World Museum Day ( 18th May )