A vehicle may be parked and remain parked in a parking meter space without the deposit of any coin in the parking meter adjacent thereto from the hour of 6:00 p.m. to 9:00 a.m., and on Sundays and holidays; except, that the City Council, by a resolution establishing parking meter zones, may provide that meters in any such zones are enforced on Sundays and holidays, and the meters placed in such zones shall be plainly so marked.

A vehicle may be parked and remain parked in a parking meter space without the deposit of a coin in the parking meter adjacent thereto on Saturdays when the City Council has, by resolution, declared that the area in which such meter is situated shall be exempt from time limit restrictions, pursuant to the ordinance or ordinances regulating parking time limits.