New Year's Day
Epiphany
Saint Joseph's Day
Maundy Thursday
Good Friday
Labour Day
Ascension Day
Corpus Christi
Sacred Heart
Saint Peter and Saint Paul
Independence Day
Battle of Boyacá
Assumption of Mary
Columbus Day
All Saints' Day
Independence of Cartagena
Immaculate Conception
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
2Monday, 11 January 1666 Epiphany
3Monday, 22 March 1666 Saint Joseph's Day
4Thursday, 15 April 1666 Maundy Thursday
5Friday, 16 April 1666 Good Friday
6Saturday, 1 May 1666 Labour Day
7Monday, 31 May 1666 Ascension Day
8Monday, 21 June 1666 Corpus Christi
9Monday, 28 June 1666 Sacred Heart
10Monday, 5 July 1666 Saint Peter and Saint Paul
11Tuesday, 20 July 1666 Independence Day
12Saturday, 7 August 1666 Battle of Boyacá
13Monday, 16 August 1666 Assumption of Mary
14Monday, 18 October 1666 Columbus Day
15Monday, 1 November 1666 All Saints' Day
16Monday, 15 November 1666 Independence of Cartagena
17Wednesday, 8 December 1666 Immaculate Conception
18Saturday, 25 December 1666 Christmas Day