six o'clock
`` But , you silly child , you 'll never do it in the time , and they wo n't be up when you get to Petteridge . '' `` Wo n't they ? I rather guess they will ! I told Cousin Cora I was coming to breakfast at six o'clock , and they must send me back in the car , bicycle and all . '' `` Did you put that in the letter you sent by the chauffeur ? '' `` Yes . Miss Todd did n't ask to read it .