下午九點 nine PM (p.m.) [piem]

　　六點六分 six six

　　六點三十二 six thirty two

　　八點正 eight o’clock

　　(2)借用介詞法。

　　八點四十五 a quarter to nine

　　七點零五分 five past seven

　　七點五十四 six to eight

　　六點半 half past six

　　(3)表示正點的用法。

　　十一點正 at 11 o'clock sharp

　　at 11 o'clock on the hour

　　at 11 o'clock on the strike

　　正午12點 at noon

　　午夜12點 at midnight

　　時間表示法和時段的簡單運算是聽力考試的熱點，請看下面的對話：

　　W: How long does the class usually last?

　　M: Umm, let me think. It starts from a quarter to nine, and ends at nine thirty.

　　So...

　　W: That is fortyfive minutes. Thank you very much!

　　Q: When does the class usually start?