The demolition, expected to take four months, will go on 16 hours a day, five days a week.

I'll sometimes go a whole week on three hours of sleep a night.

The burning will go on 24 hours a day, seven days a week, for 7 to 10 months, until all the barrels are gone.

The discussion went on until the sun came up and continued into the morning: twenty-four hours.

Cancer is a disease that happens to go on 24 hours a day.

It goes on 24 hours a day, seven days a week.

This can go on between four and eight hours each day.

"And even in winter the heating goes on only a few hours a day."

"New York is such a huge, amazing place, with so much space and this energy that goes on 24 hours a day," he said.

I'd been finding it frustrating for going on five hours.