three o'clock
I suppose -- business -- '' The Colonel said , ponderously careless : `` I imagine that he is likely to come in the late afternoon -- when he does come . '' `` I do n't know . He is in business . '' `` It does n't keep him after three o'clock at his office . '' She looked up surprised : `` Does n't it ? '' And her eyes asked instinctively : `` How did you know ? '' But the Colonel sat silent again , his head lowered and partly averted as though to turn his good ear toward her .