(1) The following are legal holidays in the state of Montana:
(a) each Sunday;
(b) New Year's Day, January 1;
(c) Martin Luther King Jr. Day, the third Monday in January;
(d) Presidents' Day, the third Monday in February;
(e) Memorial Day, the last Monday in May;
(f) Independence Day, July 4;
(g) Labor Day, the first Monday in September;
(h) Indigenous Peoples' Day and Columbus Day, the second Monday in October;
(i) Veterans' Day, November 11;
(j) Thanksgiving Day, the fourth Thursday in November;
(k) Christmas Day, December 25;
(l) state general election day.
(2) (a) If any of the holidays in subsections (1)(b) through (1)(l) fall on a Sunday, the Monday following is a holiday.
(b) If any of the holidays in subsections (1)(b) through (1)(l) fall on a Saturday, the Friday preceding is a holiday.
(c) All other days are business days.