In this Code and any regulation or directive adopted under it, “legal holiday” means: January 1, for New Year’s Day; January 15, for Dr. Martin Luther King, Jr.’s birthday; or 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; February 12, for Lincoln’s birthday; the third Monday in February, for Washington’s birthday; March 25, for Maryland Day; Good Friday; May 30, for Memorial Day; or if the United States Congress designates another day for observance of Memorial Day, the day designated by the United States Congress; June 19, for Juneteenth National Independence Day; July 4, for Independence Day; the first Monday in September, for Labor Day; September 12, for Defenders’ Day; October 12, for Columbus Day; or if the United States Congress designates another day for observance of Columbus Day, the day designated by the United States Congress; November 11, for Veterans’ Day; the fourth Thursday in November, for Thanksgiving Day; the Friday after Thanksgiving Day, for American Indian Heritage Day; December 25, for Christmas Day; each statewide general election day in the State; and each other day that the President of the United States or the Governor designates for general cessation of business. Except as otherwise expressly provided in the Code, a legal holiday shall be observed on: the date specified in subsection (a) of this section; or if that date falls on a Sunday, on the next Monday after that date.