Maryland’s Strange Sports Betting Launch, Explained: Hours it Will Be Online, Live Books & Promo Codes, Moreby ActionNetworkNovember 21, 2022November 21, 2022Maryland sportsbooks will go live on Monday at around 2 p.m. ET then go dark again on Monday night at 10 p.m. Leave a Reply Cancel replyYou must be logged in to post a comment.