It's quite possible that there are times I am half awake, and thus the day feels shorter.

Argument continues about the "White collar exemption" that exempts specific white collar workers from the "8 hours in 1 day, 40 hours a week," working hours fixed by the Labour Standards Act.

Take this medicine twice a day.

This alarm clock gains one minutes a day.

I hope the weather will hold for another day.

It is just out of the question for me to finish the work in a day.

Tea and coffee helps to start the day.

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

"Does your watch keep good time?" "No, it gains ten minutes a day."

"You must be tired after a long day." "No, not in the least."