twelve o'clock
My secretary looked at me quickly . `` All for to-day ? '' she asked , a little smile of disapprobation upon her brow . `` It can not be twelve o'clock yet . '' `` No , '' I answered , `` it is not ; but it is not easy to work out the answer which Lucilla ought now to make to Tomaso , and I shall have to take time for its consideration . '' `` I should n't think it would be easy , '' said she , `` but I hoped you had it already in your mind . '' `` Then you are interested in it ? ''