three o'clock
`` He could not have stayed until this time . '' I went to my own room immediately . In a few moments I heard John come up , say a few words to Ellen , and then go down-stairs , calling back , as he left her room , -- `` Do n't keep awake for me , wifie , I have a huge batch of letters to answer . I shall not get through before three o'clock . '' I crept noiselessly to Ellen 's room . It was dark . She had extinguished the gas as soon as she had heard us enter the house !