eight o'clock
それは八時から十時の間に起こった。
It happened sometime between eight and ten o’clock.
夜の八時です。
It's eight o'clock at night.
午後八時です。
It's 8:00 p.m.
授業は八時三十分から始まるから。
Because class starts at 8:30.
田中さんは今朝八時ごろ起きたと言いました。
Tanaka said that they woke up around eight this morning.
毎朝八時前に家を出ます。
I leave home before eight every morning.
朝の八時です。
It's eight in the morning.