New Year's Day
Epiphany
Saint Joseph's Day
Maundy Thursday
Good Friday
Labour Day
Madrid Community Day
Corpus Christi
Saint James's Day
Assumption
All Saints' Day
Constitution Day
Immaculate Concep.
Christmas Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1665
1666
1667 › 
# Date Public holiday
1Friday, 1 January 1666 New Year's Day
2Wednesday, 6 January 1666 Epiphany of the Lord
3Friday, 19 March 1666 Saint Joseph's Day
4Thursday, 15 April 1666 Maundy Thursday
5Friday, 16 April 1666 Good Friday
6Saturday, 1 May 1666 Labour Day
7Sunday, 2 May 1666 Day of the Community of Madrid
8Thursday, 17 June 1666 Corpus Christi
9Sunday, 25 July 1666 Saint James the Apostle
10Sunday, 15 August 1666 Assumption of the Virgin Mary
11Monday, 1 November 1666 All Saints' Day
12Monday, 6 December 1666 Spanish Constitution Day
13Wednesday, 8 December 1666 Immaculate Conception
14Saturday, 25 December 1666 Nativity of the Lord