New Year's Day
Epiphany
Good Friday
Easter Monday
Labour Day
Whit Monday
Saint John's Day
Assumption
Catalonia Day
All Saints' Day
Constitution Day
Immaculate Concep.
Christmas Day
Saint Stephen's 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, 16 April 1666 Good Friday
4Monday, 19 April 1666 Easter Monday
5Saturday, 1 May 1666 Labour Day
6Monday, 7 June 1666 Whit Monday
7Thursday, 24 June 1666 Saint John's Day
8Sunday, 15 August 1666 Assumption of the Virgin Mary
9Saturday, 11 September 1666 National Day of Catalonia
10Monday, 1 November 1666 All Saints' Day
11Monday, 6 December 1666 Spanish Constitution Day
12Wednesday, 8 December 1666 Immaculate Conception
13Saturday, 25 December 1666 Nativity of the Lord
14Sunday, 26 December 1666 Saint Stephen’s Day — Second Day of Christmas