Public holidays
1644, Guatemala, Ciudad de Guatemala
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1644 | New Year's Day |
| 2 | Thursday, 24 March 1644 | Maundy Thursday |
| 3 | Friday, 25 March 1644 | Good Friday |
| 4 | Saturday, 26 March 1644 | Holy Saturday |
| 5 | Sunday, 1 May 1644 | Labour Day |
| 6 | Thursday, 30 June 1644 | Army Day |
| 7 | Monday, 15 August 1644 | Assumption of Mary |
| 8 | Thursday, 15 September 1644 | Independence Day |
| 9 | Thursday, 20 October 1644 | Revolution Day |
| 10 | Tuesday, 1 November 1644 | All Saints' Day |
| 11 | Saturday, 24 December 1644 | Christmas Eve |
| 12 | Sunday, 25 December 1644 | Christmas Day |
| 13 | Saturday, 31 December 1644 | New Year's Eve |