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jantar mantar overview

#4 of 361 Places To Visit in Jaipur
jantar mantar
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22 reviews
Near City Palace, Tripolia Bazar, Jaipur, Rajasthan 302002, India
entry fee
per person for Indians
per person for students
per person for foreign tourists
per person for foreign students
All days of the week
9:00 AM - 5:00 PM
Best time to visit: October to March.
visit duration
30-45 Minutes

how to reach jantar mantar

Jaipur has an international airport and a railhead. Jantar Mantar is amongst a cluster of monuments in the Old City, namely Jaipur City Palace, Jaigarh Fort and Galta Monkey Temple. The monument is located at a distance of about 5.2 km Jaipur Railway Station and walking distance from City Palace. Cabs are easily available for the commute.

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jantar mantar

about jantar mantar

Lauded as a UNESCO World Heritage Site and located very close to the City Palace, Jantar Mantar in Jaipur is the largest of five astronomical observatories built by Maharaja Jai Singh during the period 1727-1734. Consisting of 14 major geometric devices for measuring time, predicting eclipses, tracking stars in their orbits, ascertaining the declination of planets and determining the celestial altitudes, the observatory is a major attraction for kids and adults alike. There is not a single boring moment as you marvel at the operations of these devices. 

The name Jantar Mantar literally translates into instrument of calculation. Visiting the place is a fascinating experience as one can learn how our ancestors used limited technology to study and decipher some complicated facts of science. The biggest instrument here is the Samrat Yantra. This 90 feet structure is used to measure the time of the day by calculating and observing the placement and length of the shadow. There are even some smaller instruments which are a feat of architecture and show noteworthy design and functions like the Ram Yantra. 

The Jantar Mantar in Jaipur is one among five built by Maharaja Jai Singh II between 1727 and 1734. The Jaipur Observatory is the largest and best preserved of these structures. The observatory consists of 14 major geometric devices for measuring time, predicting eclipses, tracking stars’ location as the earth orbits around the sun, ascertaining the declinations of planets and determining the celestial altitudes and related ephemerides. Each is a fixed and ‘focussed’ tool. The Samrat Yantra, the largest instrument, is 90 feet (27 m) high, its shadow carefully plotted to tell the time of day. Its face is angled at 27 degrees, the latitude of Jaipur.
Today the accuracy of the structures here is questionable, mainly because of their sheer size and the unskilled labour that constructed it. However, local astronomers still use the place to make predictions for the farmers. All said and done, the place makes for a visit, thanks to the fascination factor it holds!

jantar mantar photos

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Jantar Mantar traveller reviews

15 Jantar Mantar reviews
Ritu Singh
Ritu Singh
Jantar Mantar
Jun 30 2014
This place is not just a visiting place but is a collection of some astronomical instruments built during early times. The instruments were big in size and were a bit complex to understand. One of which grabbed my attention was the ' Jai Prakash Ya ...... read more
Vidyashankar Yadav
Vidyashankar Yadav
Jun 29 2014
I have visited Jantar mantar at in Jaipur and it was a great experience to know about the Indian astronomy and science .I am not into science at all but this place was amazing.Not only beautiful to look at but delightful too.It is built in stone and ...... read more