New Year's Day
Epiphany
Saint Joseph's Day
Maundy Thursday
Good Friday
Easter Monday
Labour Day
Saint James's Day
Institutions Day
Assumption
Our Lady Aparecida
All Saints' Day
Constitution Day
Immaculate Concep.
Christmas Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1663
1664
1665 › 
# Date Public holiday
1Tuesday, 1 January 1664 New Year's Day
2Sunday, 6 January 1664 Epiphany of the Lord
3Wednesday, 19 March 1664 Saint Joseph's Day
4Thursday, 10 April 1664 Maundy Thursday
5Friday, 11 April 1664 Good Friday
6Monday, 14 April 1664 Easter Monday
7Thursday, 1 May 1664 Labour Day
8Friday, 25 July 1664 Saint James the Apostle
9Monday, 28 July 1664 Day of the Institutions of Cantabria
10Friday, 15 August 1664 Assumption of the Virgin Mary
11Monday, 15 September 1664 Feast of Our Lady of La Bien Aparecida
12Saturday, 1 November 1664 All Saints' Day
13Saturday, 6 December 1664 Spanish Constitution Day
14Monday, 8 December 1664 Immaculate Conception
15Thursday, 25 December 1664 Nativity of the Lord