When we talk about the past, sometimes we forget about the ordinary, everyday things. For example, how did the ancient people measure the time?

It is proven epigraphically that in Philippopolis there was a water clock, called clepsydra, with a sun-dial on the southern façade. An inscription discovered in the 19th century gives information that the water clock was donated by an anonymous citizen of Philippopolis. It was built during the reign of Emperor Caracalla, i.e. in the beginning of 3rd century.

Inside the building, which was situated in close proximity to the Ancient Stadium, to the West of its entrance, was located the water clock. The Ancient people were familiar with the mechanism of the clepsydra – a wheel rotated by the flowing water was connected to a mechanism measuring the exact time of the day.

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