three o'clock
`` I have n't expected a letter , and so am not disappointed . But he 's on his way , no doubt . How soon will the boat arrive ? '' `` Between two and three o'clock . '' `` And it 's now ten . '' The hours passed on , and the time of arrival came . The windows of Irene 's chamber looked toward the river , and she was standing at one of them alone when the boat came in sight .