Sabbath-school hours were from nine to half-past ten; and then church service.

主日学校的上课时间是9点到10点半；然后是教堂礼拜。

Extending School Hours or Not?

延长上课时间吗？

Don't leave the school precincts during school hours.

在上课期间内不要离开学校。

School hours, I do apologize for dragging the last lesson.

上学时，我把道歉的事拖到最后一节课。

The daily life quite is monotonous, the school hours are four half hour.

每天的生活比较单调，上课时间是四个半小时。