Eratosthenes

San Juan Río Piedras, Puerto Rico

Flag City Country School Latitude (°) +N/-S Longitude (°) +E/-W
JPEG San Juan Río Piedras Puerto Rico Universidad de Puerto Rico 18.471 -66.124
DateGnomonShadowAngle
23 September 2019 82.9cm 27.3cm 18.2°

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