about eleven o'clock
`` An omen ! how is that ? '' he asked . `` On bidding my papa and John goodnight , as I was going to bed , about eleven o'clock , I saw them both standing below me at the foot of the stairs , in the hall . I started , and turning again into the drawing-room , where I had just left them , saw that there they certainly stood , without scarcely having had time to change their position . '' `` A mere physical illusion , my dear Julia ; nothing else . '' `` But is it not said , '' she added , `` that to see the likeness of an individual late at night is an omen of almost immediate death ? ''