nine o'clock
`` Not from the windows . Besides I have seen to all that already , '' the old servant answered in quiet and measured tones . `` Has my mother retired ? '' `` Her excellency locked herself in at nine o'clock as she has done the last few days , and there is no possibility of her knowing anything . At what hour am I to expect your honour ? '' `` At one or half-past , not later than two . '' `` Yes , sir . ''