New Year's Day
Epiphany
Saint Joseph's Day
Maundy Thursday
Good Friday
Easter Monday
Labour Day
Whit Monday
La Rioja Day
Saint James's Day
Assumption
All Saints' Day
Constitution Day
Immaculate Concep.
Christmas Day
Christmas substitute
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1565
1566
1567 › 
# Date Public holiday
1Saturday, 1 January 1566 New Year's Day
2Thursday, 6 January 1566 Epiphany of the Lord
3Saturday, 19 March 1566 Saint Joseph's Day
4Thursday, 14 April 1566 Maundy Thursday
5Friday, 15 April 1566 Good Friday
6Monday, 18 April 1566 Easter Monday
7Sunday, 1 May 1566 Labour Day
8Monday, 6 June 1566 Whit Monday
9Thursday, 9 June 1566 La Rioja Day
10Monday, 25 July 1566 Saint James the Apostle
11Monday, 15 August 1566 Assumption of the Virgin Mary
12Tuesday, 1 November 1566 All Saints' Day
13Tuesday, 6 December 1566 Spanish Constitution Day
14Thursday, 8 December 1566 Immaculate Conception
15Sunday, 25 December 1566 Nativity of the Lord
16Monday, 26 December 1566 Monday following Christmas Day/Saint Stephen’s Day — Second Day of Christmas / Monday following Christmas Day