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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5 comments on “Postcard from India – The Biggest Sundial in the World

  1. Susan Walter

    This is an amazing place. I’ve seen it on the telly and I’m sure it was absolutely fascinating to visit.

  2. avril Post author

    It was fascinating indeed. The only drawback was the terrible heat! It’s unseasonably warm.

  3. Lesley

    Do they change the hour forward and back in the year? That 2 seconds really beats our little sun dial in the garden.

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