八點半用英語怎么表達?

　　鐘的指針指在八點半上, 我們該讓孩子們上床睡覺了。

　　The hands of the clock pointed to half past eight.It was time we put our children to bed.

　　那天早上八點半，我正在《紐約客》編輯部的辦公室寫一篇有關印度艾滋病情況的稿件。

　　At eight-thirty that morning I was in my office at The New Yorker working on a story about AIDSin India.