George: Two return tickets to London please. What time will the next train leave?
Attendant: At nineteen minutes past eight.
George: Which platform?
Attendant: Platform Two. Over the bridge.
Ken: What time will the next train leave?
George: At eight nineteen.
Ken: We've got plenty of time.
George: It's only three minutes to eight.
Ken: Let's go and have a drink. There's a bar next door to the station.
George: We had better go back to the station now, Ken.
Porter: Tickets please.
George: We want to catch the eight nineteen to London.
Porter: You've just missed it!
George: What! It's only eight fifteen.
Porter: I'm sorry, sir. That clock's ten minutes slow.
George: When's the next train?
Porter: In five hours' time!