twelve o'clock
`` I 'm _ so _ glad , I do n't know what to say , Uncle . But , see here ! -LRB- and Jessie held up a purple velvet watch-bag , ornamented with steel beads . -RRB- I shall have it all done by twelve o'clock ! '' `` If the little wizard do n't hinder , '' suggested her uncle , laughing and looking roguishly at her . `` Well , he wo n't , '' said Jessie , shaking her head . `` He is too busy courting Miss Perseverance to trouble his head about me .