eleven o'clock
`` If you have time I would like to tell you about my affairs before I started to come to Chicago , '' I said . `` I would like your advice . '' The gentleman looked at the clock resting upon the mantel shelf . `` I have an engagement at eleven o'clock , '' he returned . `` Until then I am entirely at your service , and will be in the afternoon if you desire it . I 'll promise to give you the best advice I can . '' `` Thank you .