Parking Meters are enforced Monday through Saturday from 8am through 9pm in the Core PPL Center Area - Hamilton St. from 4th to 12th St. & the Unit blocks north and south of Hamilton St. (Linden to Walnut Streets) from 4th to 12th St.  Meters in all other locations are enforced Monday through Saturday, from 8am through 6pm.  Metered parking is NOT enforced on Sundays UNLESS there is a PPL Event.  Metered spaces are enforced in the Core PPL Center Area beginning 2 hours PRIOR to the event start time.