seven P.M.
He scribbles something in pencil . `` Here it is -- due east you see . Trix wo n't be home until seven ; she 's at work in a fancy shop in Sixth avenue , you know -- no , you do n't know of course , but she is , and I generally call round for her at closing-up time . But you 're safe to find her at home any evening you may name , Lady Catheron , after seven P.M. '' She takes the slip of paper very humbly -- very unlike the Edith he used to know -- her lips quivering , as he can see . `` May I go at once ? '' she asks in that humble little voice ; `` I ca n't wait . I want to see your mother , and I will stay until Trixy comes . ''