Public holidays
1666, Colombia
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1666 | Año Nuevo |
| 2 | Monday, 11 January 1666 | Día de los Reyes Magos |
| 3 | Monday, 22 March 1666 | Día de San José |
| 4 | Thursday, 15 April 1666 | Jueves Santo |
| 5 | Friday, 16 April 1666 | Viernes Santo |
| 6 | Sunday, 18 April 1666 | Domingo de Pascua |
| 7 | Saturday, 1 May 1666 | Primero de Mayo |
| 8 | Monday, 31 May 1666 | La Ascensión del Señor |
| 9 | Monday, 21 June 1666 | Corpus Christi |
| 10 | Monday, 28 June 1666 | El Sagrado Corazón de Jesús |
| 11 | Monday, 5 July 1666 | San Pedro y San Pablo |
| 12 | Tuesday, 20 July 1666 | Grito de Independencia |
| 13 | Saturday, 7 August 1666 | Batalla de Boyaca |
| 14 | Monday, 16 August 1666 | La Asunción de la Virgen |
| 15 | Monday, 18 October 1666 | Día de la Raza |
| 16 | Monday, 1 November 1666 | Día de Todos los Santos |
| 17 | Monday, 15 November 1666 | Independencia de Cartagena |
| 18 | Wednesday, 8 December 1666 | Día de la Inmaculada Concepción |
| 19 | Saturday, 25 December 1666 | Navidad |