They were not going to bed at the usual hour.

At the usual hour, he rose and prepared for bed.

The household got up half an hour earlier than usual.

"I must get to bed at the usual early hour."

Last night they ran out about half an hour earlier than usual, he said.

Though no one would have expected her to monitor the class today, she went to school at the usual hour.

They can just sleep the usual seven or eight hours and get back in the game.

What were your usual working hours before being off work?

What if it took hours more than usual to get here?

He did not return at the usual hour, and they went to seek him.