nine o'clock
`` But what must I do ? '' `` Well , take this man to see some of the sights of London until three o'clock , then come home to dinner . After dinner he 'll be sleepy . Let him sleep , if he will , until nine o'clock ; then bring him here again ; but let him have no supper until after I have done with him . '' `` Nine o'clock to-night ! Why , do you know , that takes away another day ? There will only want eight clear days to Christmas Eve . ''