Mishra Yantra is one of the four unique

astronomical Astronomy () is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, galaxies ...

instruments of the

Jantar Mantar A Jantar Mantar ( Hindustani pronunciation: ͡ʒən̪t̪ər mən̪t̪ər is an assembly of stone-built astronomical instruments, designed to be used with the naked eye. There were five Jantar Mantars in India, all of them built at the com ...

observatory An observatory is a location used for observing terrestrial, marine, or celestial events. Astronomy, climatology/meteorology, geophysical, oceanography and volcanology are examples of disciplines for which observatories have been constructed. His ...

located in

New Delhi, India New Delhi (, , ''Naī Dillī'') is the capital of India and a part of the National Capital Territory of Delhi (NCT). New Delhi is the seat of all three branches of the government of India, hosting the Rashtrapati Bhavan, Parliament House ...

. Each instrument at the Jantar Mantar are separate brilliant architectures constructed based on mathematical observations, and help in calculating different aspects of celestial objects and time. It is widely believed that the Jantar Mantar was constructed in the year 1724. The four instruments of Jantar Mantar are Samrat Yantra (a large

sundial A sundial is a horological device that tells the time of day (referred to as civil time in modern usage) when direct sunlight shines by the apparent position of the Sun in the sky. In the narrowest sense of the word, it consists of a flat ...

for calculating time), Jay Prakash Yantra (2

concave Concave or concavity may refer to: Science and technology * Concave lens * Concave mirror Mathematics * Concave function, the negative of a convex function * Concave polygon, a polygon which is not convex * Concave set * The concavity In ca ...

hemispherical A sphere () is a Geometry, geometrical object that is a solid geometry, three-dimensional analogue to a two-dimensional circle. A sphere is the Locus (mathematics), set of points that are all at the same distance from a given point in three ...

structures, used to ascertain the position of Sun and other heavenly bodies), Ram Yantra (two large cylindrical structures with open top, used to measure the altitude of stars based on the

latitude In geography, latitude is a coordinate that specifies the north– south position of a point on the surface of the Earth or another celestial body. Latitude is given as an angle that ranges from –90° at the south pole to 90° at the north pol ...

and the

longitude Longitude (, ) is a geographic coordinate that specifies the east–west position of a point on the surface of the Earth, or another celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek letter l ...

on the earth) and the Mishra Yantra (meaning ''mixed instrument'', since it is a compilation of five different instruments).

Historical and cultural importance of the Mishra Yantra

The Mishra or composite Yantra is composed of five different instruments. This Yantra is unique to the Delhi observatory. It is believed to have been constructed by Maharaja Madho Singh (1751–68), the son of Maharaja Sawai Jai Singh II. The five component yantras are the Dakshinottar Bhitti, Samrat Yantra (a smaller version of the large sundial, attached to Mishra Yantra, in two halves), Niyat Chakra, Kark Rashivalaya, and the Western Quadrant. The Dakshinottar Bhitti was also built in the

Jaipur Jaipur (; Hindi Language, Hindi: ''Jayapura''), formerly Jeypore, is the List of state and union territory capitals in India, capital and largest city of the Indian States and union territories of India, state of Rajasthan. , the city had a pop ...

Ujjain Ujjain (, Hindustani language, Hindustani pronunciation: Help:IPA/Hindi and Urdu, �d͡ːʒɛːn is a city in Ujjain district of the States and territories of India, Indian state of Madhya Pradesh. It is the fifth-largest city in Madhya Prad ...

Varanasi Varanasi (; ; also Banaras or Benares (; ), and Kashi.) is a city on the Ganges river in northern India that has a central place in the traditions of pilgrimage, death, and mourning in the Hindu world. * * * * The city has a syncretic t ...

and

Mathura Mathura () is a city and the administrative headquarters of Mathura district in the Indian state of Uttar Pradesh. It is located approximately north of Agra, and south-east of Delhi; about from the town of Vrindavan, and from Govardhan. ...

observatories. It is a modified version of the Portable Meridian Dial present in

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

Arabic Arabic (, ' ; , ' or ) is a Semitic languages, Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C ...

Hindu Hindus (; ) are people who religiously adhere to Hinduism.Jeffery D. Long (2007), A Vision for Hinduism, IB Tauris, , pages 35–37 Historically, the term has also been used as a geographical, cultural, and later religious identifier for ...

and

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

an systems of astronomy. The Dakshinottar Bhitti of the Mishra Yantra is in the form of a graduated semicircle located on the eastern wall.

References

{{Reflist Archaeoastronomy