Goundhog Day is not a legal holiday in the lower 48 states. In Alaska,
Senate Bill No. 58, "An Act Establishing February 2 of each year as Marmot Day" was signed into law by then Governor Sarah Palin in 2009.
Massachusetts legal holidays are
listed by the Secretary of the Commonwealth, and defined in
M.G.L., c. 4, § 7 (18).