nine o'clock
She was with Polly and Louise and Florence . `` Then how will we know who gets the medal ? '' Louise inquired . `` The bell 's going to ring at nine o'clock , '' Polly explained . `` Then everybody will come back , and the winner 's names will be announced from the platform . `` Well , let 's look once more at Lois ' canvas , '' Florence said . `` I 'm crazy about it . ''