Three free Metroshuttle buses go past most of the car parks and around the city regularly so you can leave the car in the cheapest car park in the city centre for a long stay and don't need to move the car, although this does mean using public transport. Route map on the TfGM website.
On Street (Pay & Display)
On street parking (i.e. pay and display) in Manchester city centre is divided into hourly zones: one hour, two hour and three hour zones.
Further information can be found by clicking on the coloured zones on the map or by visiting Manchester County Council website.