No person shall carry on or conduct the business of a pawnbroker between the hours of 6:00 p.m. and 8:00 a.m. on any day of the week, except that on Saturday such business may be conducted between the hours of 8:00 a.m. and 9:00 p.m. No person shall carry on or conduct the business of a pawnbroker on Sunday. (Ord. 1961-38. Passed 4-17-61.)