twelve o'clock
There was irony for you ! Probably Max was not sure that Yolanda was Yolanda ; but , if he was , conviction had come through his emotions , and it might be temporary . He was , however , soon to be convinced by evidence so cunningly constructed that he was compelled to abandon the testimony of his own eyes and accept that of seemingly incontestable facts . `` We are to dine privately with the duke at twelve o'clock , '' I said , while Max was standing at the window . `` Indeed ? '' asked Yolanda , arching her eyebrows ; surprise and displeasure evident in her voice . She glanced at the great clock , then looked toward Max , and said : -- `` It lacks but thirty minutes of that time now , and I suppose I shall soon lose you . ''