The tops of the hours are marked by the chiming of the clock.

The bottoms of the hour are when the clock hands are at the 6 and 12 positions.

The tops of the hour are marked by the chiming of the clock.

I installed a bat house in my backyard.

I visited a music house yesterday.

The hour of cause has arrived.

The darkest hour is always just before the dawn.

-hour-old

There are many music houses in this city.

The hour circles on the celestial sphere help astronomers locate stars.