Sundials

Postcard from India – The Biggest Sundial in the World

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This sundial at UNESCO World Heritage site, Jantar Mantar observatory in Jaipur, is the largest and most accurate (to within 2 seconds) in the world.. The observatory, built in the first half of the 18th century, has 19 main astronomical instruments or groups of instruments. All are fascinating.

Ce cadran solaire à l’observatoire Jantar Montar à Jaipur, site classé au patrimoine mondial, est le plus grand et le plus précis au monde (2 secondes). L’observatoire, construit pendant la première moitié du 18ème siècle, a 19 instruments ou groupes d’instruments astronomiques. Tous sont fascinants.

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