nine o'clock
he said . `` Robin went out with Fraulein Hirsch this afternoon , '' she said quickly . `` They went to Kensington Gardens . They have not come back -- and it is nine o'clock . They are always at home by six . '' `` Will you sit down , '' he said . The man with the steady face was listening intently , and she realized he was doing so and that , somehow , it was well that he should .