It is unlawful for any pawnbroker to conduct or carry on the business of a pawnshop, in whole or part, directly or indirectly, or to open or keep open such pawnshop for the transaction of any business whatsoever therein, between the hours of 7:00 p.m. and 7:00 a.m., except from December 15th to December 25th of each year, and on Saturdays, when pawnshops may remain open until, but not later than 10:00 p.m. (Ord. 4891 § 13, 1996; 1961 code § 5.37.100.)