Public holidays
1666, Guatemala, Ciudad de Guatemala
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1666 | New Year's Day |
| 2 | Thursday, 15 April 1666 | Maundy Thursday |
| 3 | Friday, 16 April 1666 | Good Friday |
| 4 | Saturday, 17 April 1666 | Holy Saturday |
| 5 | Saturday, 1 May 1666 | Labour Day |
| 6 | Wednesday, 30 June 1666 | Army Day |
| 7 | Sunday, 15 August 1666 | Assumption of Mary |
| 8 | Wednesday, 15 September 1666 | Independence Day |
| 9 | Wednesday, 20 October 1666 | Revolution Day |
| 10 | Monday, 1 November 1666 | All Saints' Day |
| 11 | Friday, 24 December 1666 | Christmas Eve |
| 12 | Saturday, 25 December 1666 | Christmas Day |
| 13 | Friday, 31 December 1666 | New Year's Eve |