Md. Code, Alcoholic Beverages and Cannabis § 30–2003

(a) A holder of a Class A beer and wine license may sell beer and wine on Monday through Saturday, from 6 a.m. to midnight.

(b) (1) Except as provided in paragraph (2) of this subsection, a holder of a Class B beer and wine license may sell beer and wine from 6 a.m. to midnight.

(2) The license holder may not sell beer or wine at a bar or counter on Sunday.

(c) (1) Except as provided in paragraph (2) of this subsection, a holder of a Class C beer and wine license may sell beer and wine from 6 a.m. to midnight.

(2) The license holder may not sell beer or wine at a bar or counter on Sunday.

(d) Reserved.