The ancient Egyptians invented the first water clocks and sundials more than 3,500 years ago. Before that, people likely tracked time with devices that did not survive in the archaeological record ...

Archaeologists in Egypt have identified ... clear the building’s ancient purpose. Ghonim explained: "Along the hall's northern side, we discovered a slanted stone sundial—a sun shadow clock ...

Among the significant finds within the observatory is a slanted stone sundial, also known as an inclined shadow clock. This device was one of the primary instruments used by the ancient Egyptians ...

Credit: Egyptian Ministry of Tourism and Antiquities One of the most notable installations within the observatory is a sloping shadow clock, a sundial variant commonly used in ancient societies.

This figure symbolizes the ancient Egyptians' connection to the ... we discovered a slanted stone sundial — a sun shadow ...

The study of celestial objects ran throughout ancient Egyptian culture ... the artifacts found on the site—notably a slanted stone sundial, antiquity’s most notable timekeeping device ...

An apparent record-breaking ancient astronomy "observatory," complete with a sundial, was uncovered recently during a temple dig in the old capital of lower Egypt. The mud-brick temple building ...

This first ancient Egyptian observatory discovered in ... "Along the hall's northern side, we discovered a slanted stone sundial — a sun shadow clock that used the shifting angles of the sun's ...