About one o'clock
It was most unlikely that she was the Lady of Peacock Alley ; yet all things are possible where a woman is concerned , as he knew from experience . `` About what time was it when the cab stopped before the house ? '' he asked . `` About one o'clock , as near as I can judge , '' she answered . `` What was the interval between the driver 's going into the house and the man in evening clothes coming out ? '' `` Scarcely any interval -- not more than a minute . '' `` Do you know how long a minute is ? ''