It shall be unlawful for any person under the age of sixteen (16) years to be upon the public streets or other public places within the City between the hours of 10:30 p.m., and 6:00 a.m., of the following day on all days preceding a school day, nor between the hours of 12:00 Midnight and 6:00 a.m., on the following day on all other days, unless accompanied by a parent, guardian, or an adult having the legal custody and care of such minor person, or unless such minor person is upon an emergency errand or other business directed by his or her parent or legal guardian.