The hour changes in the fall and spring can be confusing.

The hour change occurs twice a year.

I always have a snack during the supper-hour.

What time is the dinner-hour?

What time is the dinner hour?

We always have a delicious meal during supper hour.

He was the man of the hour at the award ceremony.

The hour hands of the clock were pointing to different numbers.

I had a productive power hour this morning.

The blue hour is the period of twilight in the morning or evening when the sun is below the horizon and the sky takes on a blue color.