four o'clock
`` It hurts me very badly indeed ; but never mind about that now . How am I to get home ? '' `` I 'll manage that . Betty , our dairymaid , is to throw gravel up at the window at four o'clock . You shall have a cup of tea before you start , and I will walk with you as far as the wicket-gate . '' `` Oh , thank you ! But how am I to get into my room when I do arrive at The Dales ?