Eratosthenes

Bột Xuyên, Việt Nam

Flag City Country School Latitude (°) +N/-S Longitude (°) +E/-W
Bột Xuyên Việt Nam THCS Bột Xuyên 20.783 105.716
Date Gnomon Shadow Angle
21 March 2019 49.3 cm 18.4 cm 20.5 °

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