(a) It is unlawful for any person, without lawful reason, between the hours of 12:00 midnight and sunrise, to loiter or wander aimlessly within the City on the streets, in other public places or on property of another; or at any time to sleep on any street, in any other public place or on any property of another without the expressed or tacit consent of the owner or person in charge of such place.

(b) It is unlawful for a person to loiter on or about the premises of a public or private school, public building, property of a public carrier, or docks and wharves.