Public holidays
2280, USA, Colorado
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 2280 | New Year's Day |
| 2 | Monday, 19 January 2280 | Martin Luther King Day |
| Monday, 16 February 2280 | Washington's Birthday/Susan B. Anthony Day (observance) | |
| 3 | Wednesday, 31 March 2280 | César Chávez Day |
| 4 | Monday, 31 May 2280 | Memorial Day |
| Friday, 18 June 2280 | Juneteenth (observance) | |
| 5 | Saturday, 19 June 2280 | Juneteenth National Independence Day |
| 6 | Sunday, 4 July 2280 | Independence Day |
| Monday, 5 July 2280 | Independence Day (observance) | |
| 7 | Monday, 6 September 2280 | Labor Day |
| 8 | Monday, 11 October 2280 | Columbus Day |
| 9 | Thursday, 11 November 2280 | Veterans Day |
| 10 | Thursday, 25 November 2280 | Thanksgiving |
| Friday, 24 December 2280 | Christmas (observance)/Christmas Eve | |
| 11 | Saturday, 25 December 2280 | Christmas |
| Friday, 31 December 2280 | New Year's Day (observance) |