Do all courts in MC have lights?

It seems like they move matches to open courts to get them in? I dont think this would happen if most courts were lighted?

hmmm i think its just the main one and prince

They do that at Wimbledon too. If the Centre Court schedule is finished for the day and there's a lot people with a Centre Court ticket still there, they'll move a match on there from another court if players are sitting around waiting anyway. I think the other Slams do that too.