twelve o'clock
`` What has he done ? '' cried John , leaping to his feet again , `` I 'll tell you . Yesterday he sent word to me by his broker that he would like to buy those houses of ours in the Szechenyi Square which I have offered for sale . Wishing to save broker 's expenses I went to see him myself at twelve o'clock . Surely that is the most convenient time for paying business calls . At least I have always supposed so . I entered his ante-chamber and there stood a flunkey .