twelve o'clock
-LRB- This was a trick of speech that came hard to Rose , but she was gradually learning it . -RRB- `` We 're going up to my room now , and I 'm going to teach you . We 've got lots of time . Rehearsal to-morrow is n't till twelve o'clock . You 're going to stay in the sextette , and when the piece opens , you 're going to make a hit . '' She hesitated a moment , then added in the same blunt matter-of-fact way , `` You 're one of the most beautiful women in Chicago . Did you know that ?