twelve o'clock
She laughed in his face , and cried out that she had found him . So the merry game proceeded . It had nearly come to an end when Pauline and Penelope found themselves alone . `` I waited for you at twelve o'clock , '' said Penelope , `` but you never comed . Why did n't you ? '' `` I did n't want to , Pen . I have changed my mind .