Public holidays
1644, México
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1644 | Año Nuevo |
| 2 | Monday, 1 February 1644 | Día de la Constitución |
| 3 | Monday, 21 March 1644 | Natalicio de Benito Juárez |
| 4 | Friday, 25 March 1644 | Viernes Santo |
| 5 | Sunday, 1 May 1644 | Día del Trabajo |
| 6 | Friday, 16 September 1644 | Día de la Independencia |
| 7 | Monday, 21 November 1644 | Día de la Revolución |
| 8 | Sunday, 25 December 1644 | Navidad |