4.5 star rating: Recommended 44 Reviews

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  • Hours: Open daily: 9am - 4:30pm
  • Admission: Rs 10 (free on Monday)

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Jantar Mantar

Walking through the grounds of Jantar Mantar may feel more like visiting a sculpture garden than an astronomical observatory. The eighteen devices, built by Jai Singh II, each serve a different function, such as predicting eclipses, telling time and tracking astrological bodies.

Jai Singh II built Jatar Mantar in 1726 and it remains the best preserved of the five observatories he built within his lifetime. Armed with knowledge of European astronomical advances, Jai Singh II invented many of the instruments himself, the most impressive of which is the massive Samrat Yantra sundial with a shadow that moves up to 13 feet (4 meters) per hour, or a hands-width every minute.

Guides onsite can explain how the devices work, and several are still used to make astrological and weather predictions. Try to come on a sunny day, since none of the devices will work under cloud cover, but avoid the middle of the day when the sun is particularly hot and shade is harder to come by.

Tours & Tickets

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4-Night Private Golden Triangle Tour: Delhi, Agra and Jaipur

5 star rating: Highly Recommended 30 Reviews

Marvel at the many architectural wonders of India on this 4-night private tour of the Golden Triangle: Delhi, Agra and Jaipur. View the impressive monuments of ...  Read more

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Private Tour: Jaipur Sightseeing Including Jantar Mantar, Amber Fort and Elephant Ride

4.5 star rating: Recommended 10 Reviews

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Duration: 8 hours (approx.)

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3-Day Private Tour of Jaipur from Delhi: City Palace, Jantar Mantar, Amber Fort and Elephant Ride

3.5 star rating: Worth doing 4 Reviews

Get an in-depth look at the rich architectural history and cultural heritage of Jaipur on this 3-day tour of the vibrant and dynamic capital of Rajasthan in ...  Read more

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