Meaning of ２４時間 in Japanese

The mountain rescue team is on call 24 hours a day.

The workers union called off their 24-hour strike today.

She'll do it in 24 hours.

Tokyo, which is the largest city in Japan, is awake 24 hours.

The new jet circles the globe in twenty-four hours.

Company attorneys are working around the clock to complete the merger.

The hospital provides around the clock service.

This may be because of a change in people's attitude toward marriage and the sharp increase of fast food restaurants and convenience stores which are open 24 hours a day and enable young people to live more easily.

That TV station is on the air 24 hours a day.

Your shipment should be delivered within twenty four hours.