Jantar Mantar (Delhi) (30)
Photo: Jantar Mantar (Delhi)

Jantar Mantar (Delhi)
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28° 37′ 37″ N, 77° 12′ 59″ E


Jantar Mantar is located in the modern city of New Delhi. It consists of 13 architectural astronomy instruments. The site is one of five built by Maharaja Jai Singh II of Jaipur, from 1723 onwards,revising the calendar and astronomical tables.

There is a plaque fixed on one of the structures in the Jantar Mantar observatory in New Delhi that was placed there in 1910 mistakenly dating the construction of the complex to the year 1710.

Later research, though, suggests 1724 as the actual year of construction. Its height is 220 m. …

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The primary purpose of the observatory was to compile astronomical tables, and to predict the times and movements of the sun, moon and planets. Some of these purposes nowadays would be classified as astronomy.

Completed in 1724, the Delhi Jantar Mantar had decayed considerably by 1867. The Ram Yantra, the Samrat Yantra, the Jai Prakash Yantra and the Misra Yantra are the distinct instruments of Jantar Mantar.


Map: Jantar Mantar (Delhi)
Map: Jantar Mantar (Delhi)

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