It operates 24 hours a day, seven days a week.

The other lines operate 24 hours a day, 7 days a week.

It operates 24 hours a day, 7 days a week, for all 52 weeks of the year.

The plant operates 32 hours a week, down from 45.

That is because these lines must operate 24 hours a day.

The rest areas normally operate 24 hours a day, 7 days a week.

Today it operates 24 hours and seven days a week.

The program operates 24 hours a day, seven days a week.

The station operates 24 hours a day, 7 days a week.

He did say, though, that the lines operate 24 hours a day.