one o'clock
`` Miss Sinclair , Papa ; one of the teachers in our school . I am to meet her at the school at eleven o'clock . We are going to the costume place , and then to the shops to buy a few things for the play . I 'll be home to luncheon , Nan , at one o'clock . '' Patty flew away on her numerous errands , going first to Elise Farrington 's to consult on some important matters . Hilda and Clementine were there , and there was so much to be decided that the time passed by unnoticed , until Patty exclaimed , `` Why , girls , it 's half-past eleven now , and I was to meet Miss Sinclair at eleven ! Oh , I 'm so sorry !