eight o’clock
`` To-morrow night , '' she said ; `` he is to meet me in Mr. Ruff 's office . '' `` At what time ? '' John Dory asked . `` At eight o'clock , '' she answered . `` Mr. Ruff is keeping his office open late on purpose . Spencer thinks that afterwards he is going to take me out to dinner . '' `` You are sure of this ? ''