He shrugged, "Around here? They do. The whole place changes shape from day to day."

He smiled again, "But really: Time's probably not going anywhere outside while you're in here, so whoever it is you're supposed to meet here, or see, or whatever it is you're supposed to do, it'll happen all in one night and you'll get dropped back out right about where you were before. It's like a Christmas Carol, you ever read that?"

Adric, it should be said, had done a lot of reading when he'd first arrived.