No sex­u­al­ly ori­ent­ed busi­ness, except for an adult motel, may remain open at any time between the hours of one o’clock (1:00) A.M.and eight o’clock (8:00) A.M. on week­days and Sat­ur­days, and one o’clock (1:00) A.M.and noon (12:00) P.M. on Sundays.