midnight
`` I should wait till I 'm asked , '' said Tommy lighting a cigarette and dropping the match in a flower-pot on the verandah . `` I knew you were pining to have me round for a _ buk _ . '' -LSB- 9 -RSB- -LSB- Footnote 9 : Chat . -RSB- `` You can come in if you promise to go home by midnight , '' Tommy condescended . `` I 'll not be kept up later . '' `` On the stroke . That 's a jolly good whisky you have .