A carved slab discovered in Ukraine is thought to be the earliest example of a stone sundial ever found.
Thought to date back to 13th Century BC when the Late Bronze Age Srubna culture would have inhabited the area, the sundial may even have been a maker for a sacrificial grave, or used as a message to the gods.
Larisa Vodolazhskaya from the Russian Archaeoastronomical Research Centre proved it was a sundial after studying the the size and geometry of the stone and the position of its carvings.
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