Maryland Election Law Section 1-301

      (a)      (1)      Except as provided in subsection (b) of this section, in computing the time under this article for performing an act, Saturdays, Sundays, and legal holidays shall be included.

            (2)      In a computation of time under this article, the day of performing an act and the day of registration or election shall be excluded.

      (b)      If a computation of time would require an act to be performed on a Saturday, Sunday, or legal holiday, the act shall be performed on the next regular business day following that Saturday, Sunday, or legal holiday.