Md. Code, General Provisions § 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.

(b) Except as otherwise expressly provided in the Code, a legal holiday shall be observed on:

(1) the date specified in subsection (a) of this section; or

(2) if that date falls on a Sunday, on the next Monday after that date.