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Jantar Mantar, Delhi


Jantar Mantar was built up by the great mathematician and astronomer king Jai Singh II of Jaipur in 1724. This is an astronomical Observatory, monument and the name Jantar Mantar means 'instrument for calculation". This is located on Parliament Street, Near Connaught place. It consists of total 13 architectural astronomical instrument's.


This mathematical calculation based monument was built to calculate the movement of the sun and moon to know the time. At that time this was used as an instrument like nowadays watches are used. This monument is the symbol of a genius mathematician who designed it in such a way that he could find accurate time with the help of sun and moon's movement only.

Full Address

Jantar Mantar, Sansad Marg, Connaught Place, New Delhi, Delhi 110001


Type of Place

  • Historical
  • Monuments
  • Park
  • Picnic Spot
  • Romantic

Prefered For

  • Family
  • Friends
  • Kids
  • Couples


  • Indira Gandhi Intl. Airport
  • 1. Patel Chowk 2. Rajiv Chowk
  • New Delhi Railway Station

Important Information

  • Timings :- 9:00 am to 6:30 pm. ◆ Entry fees :- Rs. 5 for Indians and Rs. 100 for foreigner's. ◆ Photography Charges :- Free ◆ Video Recording Charges :- 25 Rs.


  • Its an example of rare architecture as it is a significant monument designed very differently from other monuments or buildings, and surrounding's are also very well maintained here. It also attracts the tourist's as it represents the astronomical history.

Things to Buy

  • one can buy a lot of things from the nearby market cannaught place ranging form a small plastic toys to a lot if things i.e., its an special marketing place for clothes, also one can purchase musical instruments, electronic items and many more.

Things to Eat

  • From roadside street foods such as chole bhature, chole kulche to a many delicious foods such as south indian idaly shambhar, paranthe, etc.

Things to enjoy

  • One should must capture this rare architecture. Other than architecture inside the monument there are three instruments within the Observatory i.e.., named as Samrat Yantra:- The Samrat Yantra, Also known by the name Supreme Instrument, is a giant triangle which is basically an equal hour sundial. It is 70 feet high, 114 feet long at the base, and 10 feet thick. It has a 128-foot-long hypotenuse that is parallel to the Earth's axis and positions to the North Pole. On either side of the triangle is a quadrant with graduations showing seconds, minutes, and hours . At the time of the Samrat Yantra's development, sundials already existed, but the Samrat Yantra turned the basic sundial into a precision tool for measuring declination and other related coordinates of various heavenly bodies Jayprakash Yantra:- The Jayaprakash Yantra which consists of hollowed out hemispheres with markings on their concave surfaces. Crosswires were stretched between points on their rim. From inside the Ram, an observer could follow the position of a star with multiple markings or a window's edge. Misra Yantra:- The Misra Yantra which was designed as a tool to determine the shortest and longest days of the year. It could also be used to show the exact time of noon in various cities and locations regardless of their distance from Delhi – quite remarkable! The Mishra yantras were able to show when it was noon in multiple cities all over the world and this was the only structure in the observatory not invented by Jai Singh II.