Definition (時間)
A period of fifteen minutes.
十五分鐘（一刻鐘）
I waited for a quarter of an hour before heading home.
我等待了一刻鐘才回家。
The meeting is scheduled to start in a quarter of an hour.
會議預計在一刻鐘後開始。
She spent a quarter of an hour reading the article.
她花了一刻鐘閱讀那篇文章。