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Jantar Mantar - UNESCO World Heritage

An observatory situated in the administrative heart of Jaipur. Jantar Mantar is a spectacular specimen of astronomy in the form sundials in India and also be an 18th-century open-air observatory that was designated a UNESCO World Heritage site in 2010.

 

Jantar Mantar

 

About Jantar Mantar

Jantar Mantar was constructed in 1724. After constructing the Jantar Mantar in Delhi, Raja Jai Singh constructed more such structures by the same name in Jaipur, Ujjain, Mathura, and Varanasi. Jai Singh had found the existing astronomical instruments too small to take correct measurements and so he built these larger and more accurate instruments.

The primary purpose of the observatory was to compile astronomical tables and to predict the times and movements of the sun, moon, and planets. It was also a symbol of royal authority, through its urban dimensions, its control of time, and its rational and astrological forecasting capacities. 

The observatory is the monumental embodiment of the coming together of needs which were at the same time political, scientific, and religious.

There are four main instruments in Delhi’s Jantar Mantar: Misra Yantra, Samrat Yantra, Jayaprakash Yantra and Rama Yantra

 

Samrat Yantra

The Samrat Yantra is also called a supreme instrument - a giant triangle that is basically an equal hour sundial with 27 meters high which remains the largest sundial ever built. 

At the time of the Samrat Yantra's construction, sundials already existed, but the Samrat Yantra turned the basic sundial into a precision tool

Suggest post: Samrat Yantra - The Largest Sundial In The World

 

Jantar Mantar

 

Jayaprakash Yantra

The Jayaprakash is a bowl-shaped instrument, built partly above and partly below ground level. The Jayaprakash consists of hollowed out hemispheres with markings on their concave surfaces. Crosswires were stretched between points on their rim. 

The shadow of a metal plate suspended above the instrument gives the sun’s apparent position, as shown on the marble surface below.

 

Jantar Mantar

Jantar Mantar

 

Rama Yantra

The Rama Yantra consists of a pair of cylindrical structures, open to the sky, each with a pillar or pole at the center. The pillar/post and walls are of equal height, which is also equal to the radius of the structure. The floor and interior surface of the walls are inscribed with scales indicating angles of altitude and azimuth. Rama Yantras were constructed at the Jaipur and Delhi observatories only.

 

Jantar Mantar

 

Misra Yantra

Meaning mixed instrument, since it is a compilation of five different instruments. 

To work in tandem to assess the shortest

It could also be used to note the time of noon in different cities around the world. The amazing instrument could actually tell when it was noon in any part of the world.

 

Jantar Mantar

 

For the protection and assessment of the site, the staff produce regular photographic documentation in similar viewing conditions. For science, the main goal is to maintain the instruments through use, by increasing their capacities for current users. For improving the global authenticity-integrity of the site, there is a programme of research and restoration devoted to the historical landscape and natural environment of the monuments.

This is one of the most complete and impressive collections in the world of pre-telescopic masonry instruments in functioning condition. And become the quality reasons for traveling to India in just 15 minutes through Indian eVisa.
 

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