twelve o'clock
impossible . It never can be so late as that ? '' `` It is , though , '' said Ashton , `` but what of that ? you do n't surely call twelve o'clock bad hours for once in a way ? '' `` No , not for once in a way , '' replied George ; `` but I have never kept my mother up so late before . Good-bye , old fellow . Promise to come and see me some night this week .