The occupant of every lot or premises adjoining any street, or the owner of such lot or premises, if the same are not occupied, shall clear all ice and snow from sidewalks adjoining such lot or premises within the time herein required. When any snow or ice shall cease to fall during the daylight hours, such snow or ice shall be cleared from the sidewalks within 12 hours after such cessation. When a fall of snow or ice shall have ceased during the nighttime, it shall be cleared from the sidewalks by 6:00 p.m. of the day following.
(1990 Code, § 4.70)