Observed Holidays in MontanaMonday holidays. Martin Luther King, Jr. Day (third Monday in January), Lincoln and Washington's Birthday (third Monday in February), Memorial Day (last Monday in May), Labor Day (first Monday in September) and Columbus Day (second Monday in October). Other holidays. Sundays, New Year's Day (January 1), Lincoln's Birthday (February 12), Independence Day (July 4), Veterans' Day (November 11), Thanksgiving Day (fourth Thursday in November), Christmas Day (December 25), and general election days. Special rules. If any legal holidays fall on a Sunday, the following Monday is a holiday. |