about four in the afternoon
`` Why not ? '' `` To-morrow you sing this opera . Go on Saturday ; you 'll be sure to find him on Saturday afternoon . He has a rehearsal in the morning and will be at home about four in the afternoon . '' As they walked through the scenery she said , `` You 'll come to see me , '' and she reminded him of his promise to go through the Isolde music with her . `` Mind , you have promised , '' she said as she got into her carriage . `` You 'll not forget Saturday afternoon , '' he said as he shook hands .