The listed holidays are legal holidays in Massachusetts.
Martin Luther King, Jr. Birthday (third Monday in January)
Washington's Birthday (third Monday in February)
Patriot's Day (third Monday in April)
Memorial Day (last Monday in May)
Labor Day (first Monday in September)
Columbus Day (second Monday in October)
New Year's Day (January 1)
Independence Day (July 4)
Veterans' Day (November 11)
Thanksgiving Day (fourth Thursday in November)
Christmas Day (December 25)
March 17 and June 17 are holidays in Suffolk County.