about one o'clock
`` I knew you 'd say that ! '' he said . `` Now , I 'll tell YOU about to-morrow . You and I are going to slip away , at about one o'clock , and go off in the gray car . We 'll go up to -- well , somewhere , and we 'll have our lunch under the trees . I 'll have Hansen pack us something at the club . We 'll be back at about four , for the tea callers , and they may have you until I come back for dinner .