Public holidays
2151, USA, Montana
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 2151 | New Year's Day |
| 2 | Monday, 18 January 2151 | Martin Luther King Day |
| 3 | Friday, 12 February 2151 | Lincoln's Birthday |
| 4 | Monday, 15 February 2151 | Washington's Birthday/Susan B. Anthony Day |
| 5 | Monday, 31 May 2151 | Memorial Day |
| 6 | Sunday, 4 July 2151 | Independence Day |
| Monday, 5 July 2151 | Independence Day (observance) | |
| 7 | Monday, 6 September 2151 | Labor Day |
| 8 | Monday, 11 October 2151 | Columbus Day |
| 9 | Tuesday, 2 November 2151 | Election Day |
| 10 | Thursday, 11 November 2151 | Veterans Day |
| 11 | Thursday, 25 November 2151 | Thanksgiving |
| Friday, 24 December 2151 | Christmas (observance)/Christmas Eve | |
| 12 | Saturday, 25 December 2151 | Christmas |
| Friday, 31 December 2151 | New Year's Day (observance) |