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

She'll do it in 24 hours.

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

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

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

Guards are stationed 'round the clock at the Imperial Palace in Tokyo.

Bears also tend to sleep more during the day than at night, although in the summer, with twenty-four hours of light, this does not apply.

A day has twenty-four hours.

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.

This store here is open around the clock.