They agreed to meet at seven a clock under the old oak.

Archaeologists uncovered fragments of several ancient water clocks in the desert, revealing advanced timekeeping techniques.

The antique shop displayed several beautiful wall clocks that chimed every hour.

My grandmother's attic was full of old cuckoo clocks that chimed at every hour, filling the house with nostalgic music.

Scientists studied the effects of jet lag on passengers' biological clocks during a transcontinental flight.

Many cafes keep analog clocks on their walls to create a cozy, nostalgic atmosphere.

The international team synchronized multiple pulsar clocks to create a space-based time standard for deep-space navigation.

The antique dealer displayed several pocket clocks in a velvet-lined case, each with a different ornate engraving.

The antique shop had a shelf full of dusty bum-clocks that looked more like jokes than timepieces.

The laboratory synchronized all continuous clocks to ensure seamless data collection across multiple experiments.