Closed dates
Sundays, except for the last Sunday of each month, unless it falls at Easter, on June 29 (St. Peter and Paul), or on December 25 and 26 (Christmas Holiday)

Other holidays:
March 19
March 23, 24 (Easter - Easter Monday)
May 1,(Ascension Thursday), May 22 (Corpus Christi Day)
August 14-15
November 1
December 8 (Feast of the Immaculate Conception), 25-26.

Access to the Museums is permitted only to visitors with proper attire.