The digital clocks on the classroom wall blinked strangely during the thunderstorm.

The antique shop displayed analogue clocks along the far wall, their ticking creating a comforting, timeless chorus.

On the museum shelf, several antique longitude clocks ticked quietly, each a reminder of past efforts to map the globe.

The engineer adjusted the slave clocks to match the master time signal before the ceremony.

In many relativity demonstrations, light clocks illustrate how time dilation affects moving observers.

Traveling across time zones messed up our body clocks, making it hard to sleep.

The factory installed new time clocks to reduce payroll errors.

At the factory, the supervisor checked the punch clocks to verify everyone's hours.

Two tall mahogany grandfather clocks in the hallway calmly counted the passing hours with deep, resonant chimes.

Urban legends about haunted death clocks spread through the neighborhood after the old factory closed.