A.
It shall be unlawful for any child under the age of 18 years to be in or upon the public parks, public playgrounds or other public grounds, public places and public buildings between the hours of 9:30 p.m. and 6:00 a.m. of the following day.
B.
The provisions of Subsection A of this section shall not apply to a minor accompanied by his parent, guardian or other adult person having the care and custody of said minor or where the minor is upon an emergency errand or a legitimate business directed by his parent, guardian or other adult person having the care and custody of said minor or where said minor is engaged in gainful employment.