| Home»Do you know? »Stone clock of 8 century AD in the museum of history in Sofia |
| Stone clock of 8 century AD in the museum of history in Sofia |
| The only found stone clock of old proto Bulgarians, dated 8 century AD, has been exhibited in the National museum of history in Sofia since Dec. 17, 2009. |
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This stone clock shows the hours by the movement of the sun.
The stone clock has 12 parts and the sun makes a shadow as a hand of a clock as it shows the time only in the sun part of the day night.
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There are two sircles schedules and letters - one for summer time and one for winter time. The stone clock can be useful even now if it is situated on a proper place. |
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The tourists of one day tours in Sofia can see the stone clock at the National museum of history in Boyana, Sofia. |
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