The civil calendar; a civil day begins at mean midnight.

民用日历；从正午夜开始的民用日。

youdao

The image was taken approximately 38 minutes after midnight Greenwich Mean Time (GMT), while the International Space Station was located over the southern Atlantic Ocean.

这张图片大致拍摄于格林尼治时间凌晨0：38，此时，国际空间站正位于南大西洋上空。

youdao

When I told him I was planning to hop the Zipper first class freight train the next night he said, "Ah you mean the Midnight Ghost."

当我告诉他我打算明天晚上攀上那<拉链>特快专列时，他说道：“呀，你指那‘午夜幽灵’。”

youdao

This will mean eating dinner at around midnight, going to bed in the early hours and sleeping in the day.

BBC: F1 goes for a night on the town

The hostel rules mean I can't even stay out past midnight because they have a curfew.

BBC: Liverpool tunnel collapse woman 'forced' to live in hostel