A day has 24 hours.

The first day of the month is the beginning of a new month.

After a long day, I need a massage to relax.

He massaged his legs after a long day.

I like to relax at home on weekends.

I like to relax at home on weekends.

He tried to solve the problem all day long.

Your cooperation is needed for this project.

I need you.

He was studying all day.