Eratosthenes

Rio de Janeiro CENOM, Brazil

March 2016

Flag City Country School Latitude (°) +N/-S Longitude (°) +E/-W
Rio de Janeiro Brazil Centro Educacional Nosso Mundo -22.890 -43.317
Date Gnomon Shadow Angle
10 March 50 cm -20 cm -21.8°
28 March 32.5 cm -17 cm -27.6°
29 March 100 cm -51 cm -27.0°

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