The radio announcer said it was nine o'clock

　　電臺播音員報時9點整。

　　We will be holding the auditions from nine o'clock tomorrow night so stand by for details.

　　我們將于明天晚上9點開始進行拍賣，請靜候詳細信息。

　　He decided not to take the red-eye flight home but to wait and take a nine o'clock flight the following morning.

　　他決定不乘夜航航班回家，而是留下來搭第二天早上9點的飛機。