Md. Code Ann., Gen. Prov. § 1-111

(a) In this Code and any regulation or directive adopted under it, “legal holiday” means: (1) January 1, for New Year’s Day; (2) (i) January 15, for Dr. Martin Luther King, Jr.’s birthday; or (ii) if the United States Congress designates another day for observance of Dr. Martin Luther King, Jr.’s birthday, the day designated by the United States Congress; (3) February 12, for Lincoln’s birthday; (4) the third Monday in February, for Washington’s birthday; (5) March 25, for Maryland Day; (6) Good Friday; (7) (i) May 30, for Memorial Day; or (ii) if the United States Congress designates another day for observance of Memorial Day, the day designated by the United States Congress; (8) June 19, for Juneteenth National Independence Day; (9) July 4, for Independence Day; (10) the first Monday in September, for Labor Day; (11) September 12, for Defenders’ Day; (12) (i) October 12, for Columbus Day; or (ii) if the United States Congress designates another day for observance of Columbus Day, the day designated by the United States Congress; (13) November 11, for Veterans’ Day; (14) the fourth Thursday in November, for Thanksgiving Day; (15) the Friday after Thanksgiving Day, for American Indian Heritage Day; (16) December 25, for Christmas Day; (17) each statewide general election day in the State; and (18) each other day that the President of the United States or the Governor designates for general cessation of business.