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Jaipur | |
10:00 AM to 06:00 PM | |
Historical Monuments Places | |
50-70 | |
1734 | |
Rajput king Sawai Jai Singh II |
Jantar Mantar Jaipur: Monument History
The Jantar Mantar is built by the Rajput king Sawai Jai Singh II in 1734. He was the founder of Jaipur, Rajasthan. Jantar Mantar is a collection of nineteen architectural astronomical instruments. It is a UNESCO World Heritage Site. It is located near City Palace Jaipur and Hawa Mahal Jaipur.
The Jantar Mantar is an equinoctial sundial. It uses to measure the time of day and the instruments allow the observation of astronomical positions with the naked eye. There were five Jantar Mantar in India. The Jantar Mantar Jaipur is the largest monuments for time and day measuring architecture in India. here are features many instruments along with the world's largest stone sundial.
In the early 18th century, Maharaja Jai Singh II of Jaipur built a total of five Jantar Mantar in New Delhi, Jaipur, Ujjain, Mathura and Varanasi. But at present only four Jantar Mantar exist, the Jantar Mantar at Mathura was torn down just before Revolt of 1857.
The Jantar Mantar have like Samrat Yantra, Jai Prakash, Ram Yantra, Niyati Chakra and so more Instruments. It has total of 19 Instruments; each of which is used for various astronomical calculations. The primary purpose of the observatory was to compile astronomical tables and to predict the times and movements of the sun, moon and planets.
Jantar Mantar Jaipur: List Of Instruments inside
Chakra Yantra
Chakra Yantra is four semicircular arcs on which a gnomon casts a shadow. thereby giving the declination of the Sun at four specified times of the day. This data corresponds to noon at four observatories around the world (Greenwich in UK, Zurich in Switzerland, Notke in Japan and Saitchen in the Pacific). This is equivalent to a wall of clocks registering local times in different parts of the world.
Dakshin Bhitti Yantra
Dakshin Bhitti Yantra is to measures meridian, altitude and zenith distances of celestial bodies.
Digamsha Yantra
Digamsha Yantra is a pillar in the middle of two concentric outer circles. It used to measure azimuth of the sun, and to calculate the time of sunrise and sunset forecasts.
Vrihat Samrat Yantra
Vrihat Samrat Yantra measures time in intervals of 2 seconds using the shadow cast from the sunlight. It is the world's largest gnomon sundial.
Yantra Raj Yantra
Yantra Raj Yantra is a 2.43-meter bronze astrolabe, used only once a year, calculates the Hindu calendar. It is one of the largest Instruments in the world.
Jai Prakash Yantra
Jai Prakash Yantra is two hemispherical bowl-based sundials with marked marble slabs that map inverted images of the sky and allows the observer to move inside the instrument, measures altitudes, azimuths, hour angles, and declinations.
Kapali Yantra
Kapali Yantra is to measures coordinates of celestial bodies in azimuth and equatorial systems, any point in sky can be visually transformed from one coordinate system to another.
Nadi Valaya Yantra
Nadi Valaya Yantra is two sundials on different faces of the instrument, the two faces represent north and south hemispheres, the accuracy of the instrument in measuring the time is less than a minute.
Palbha Yantra
Palbha Yantra is also instrument to use the measurements.
Rama Yantra
Rama Yantra is an upright building used to find the altitude and the azimuth of the sun.
Rashi Valaya Yantra
Rashi Valaya Yantra is 12 gnomon dials that measure ecliptic coordinates of stars, planets and all 12 constellation systems.
Disha Yantra
Disha Yantra is used to measure Direction according to the sun.
Dhruva Darshak Pattika
Dhruva Darshak Pattika is observed and find the location of pole star with respect to other celestial bodies.
Kanali Yantra
Kanali Yantra is also instrument to use the measurements.
Kranti Vritta Yantra
Kranti Vritta Yantra is to measures the longitude and latitude of celestial bodies.
Laghu Samrat Yantra
The smaller sundial at the monument, inclined at 27 degrees, to measure time, less accurate than Vrihat Samrat Yantra.
Misra Yantra
Misra Yantra is a compilation of five different instruments.
Shastansh Yantra
Shastansh Yantra (next to Vrihat Samrat Yantra) is a 60-degree arc built in the meridian plane within a dark chamber. At noon, the sun's pinhole image falls on a scale below enabling the observer to measure the zenith distance, declination, and the diameter of the Sun.
Unnatamsa Yantra
Unnatamsa Yantra is a metal ring divided into four segments by horizontal and vertical lines, with a hole in the middle; the position and orientation of the instrument allow measurement of the altitude of celestial bodies.
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