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Jantar Mantar, New Delhi

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Jantar Mantar in New Delhi is a fascinating open-air observatory built by Maharaja Jai Singh II in 1724. The site features a collection of massive, geometrically precise stone instruments, each serving a specific astronomical purpose, from tracking the sun's path to predicting eclipses. Visitors can explore the Samrat Yantra, a towering sundial that tells time to within two seconds, and other devices that demonstrate the advanced scientific knowledge of the era. It's a unique blend of history, architecture, and astronomy, offering a hands-on glimpse into pre-modern observational techniques.

Don't miss

  • Samrat Yantra: a 27-meter-high sundial that accurately measures local time
  • Jai Prakash Yantra: a hemispherical instrument for mapping celestial positions
  • Misra Yantra: a combination of five instruments used to determine the shortest and longest days of the year

Tickets & tours

Ways to visit Jantar Mantar, New Delhi

You can usually visit on your own. A tour is worth it for transport, a guide, or combining nearby sights into one day.

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