Jantar Mantar : Delhi, India


Jantar Mantar: Delhi India

  • “Jantar Mantar” is the scientific heritage of India.
  • It is an observatory.
  • It was built by Maharaja Jai Singh II in 1724.
  • It was operational for seven years only.
  • Jai Singh II was a ruler of the princely state of Amer.
  • “Jantar Mantar “is maintained by the Archeological Survey of India (ASI) and has been declared as a protected monument under the ASI Act.
"Jantar Mantar" is a historical monument of India
 Arial view of “Jantar Mantar” Delhi India

Major Instruments at Jantar Mantar are:

The Samrat Yantra ‘Prince of Dials’

The Samrat Yantra measured the accurate time of the day. It also measured the declination of the sun which can be seen by the shadow moving around the structure.

The Ram Yantra –

It consists two large buildings with an open top. Both buildings form a complete device. The device is used to measure the altitude of stars which is equivalent to the latitude and the longitude on the earth.

The Jai Prakash:

The Jai Prakash shows the sun’s position at the time of equinox. There is a hole near the bottom of the structure which witnesses sunshine only once in a year that is on 21 March, called vernal equinox.

The Misra Yantra

It consists five instruments. Pillars on the southwest of Mishra Yantra are used to measure the shortest day (21 December) and the longest day (21 June) of the year.

How & When to reach “Jantar Mantar”

 Situated in the Parliament Street near the Connaught Place.
Entry Fee
 INR 5 for both adults and children for foreigners INR 100
Entry timing
 Open from sunrise to sunset.
 All days
How to reach
 Rickshaws, taxis, bus etc
Nearest railway station
 Delhi Railway Station
Nearest metro station
 Connaught Metro Station and Patel Chowk
Photography Charges
 Nil (Rs 25 for video filming)

The Famous places Near Jantar Mantar are:

Rashtrapati Bhavan
Gurdwara Bangla Sahib
Humayun Tomb

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