a quarter
   to twelve
Just listen : '' `` A thousand apologies for not having been able to keep my promise about the coronet . Had an appointment at the Acacias . Please have coronet ready in your room to-night . Will come without fail to fetch it , between a quarter to twelve and twelve o'clock . '' `` Yours affectionately , '' `` ARSENE LUPIN . '' `` There ! What do you think of that ? ''