It is unlawful for the owner, keeper, manager of or employee in any pool hall or premises licensed for public use or hire of a billiard, pool or similar table to operate between the hours of twelve o'clock (12:00) midnight of any day and eight o'clock (8:00) A.M. of the following day unless such pool hall or licensed premises is maintained solely for the convenience and recreation of patrons of any other licensed business operated by the same licensee as the primary business upon the same premises, in which case the closing hours applicable to such other licensed business shall be applicable to such licensed pool hall or premises licensed for public use or hire of a billiard, pool or similar table. (Prior Code § 20-18-19)