Jantar Mantar Jaipur is a location for calculation of date and time in Rajwada’s era.
Now we are in the 21st century in which everything is possible with technical and scientific support like a study of astronomy, Janam Kundli (birth details), sign(Rashi Chaker), Garah Nakshatra, Time and many astrology relate things all are efficiently knowledgeable through the internet or many scientific phenomena.

But in our ancient time, it was difficult to get any source which can provide this information.

Our ancestors were got this information through the sun shadow, Amavasya(dark moon lunar which comes in a month between two lunar fortnight means Krishna Paksha) and Purnima(full moon lunar phase come in every each month between two lunar fortnights mean Shukla Paksha).

So in Jaipur, the ancient kings were also taken help from these actions for time and astronomical related issues.

Jaipur Ka Jantar Mantar

Jantar Mantar Jaipur is proof of that interest due to Swai Jai Singh made it.
Maharaja Swai Jai Singh II was the founder of “The Pink City.”

He built a much historical building in Jaipur now which are proud of Jaipur and nominate this place for best tourism spot in the cultural, historical and various field.

Jantar Mantar Jaipur Information

  • Jantar Mantar Meaning
    Jantar-Instrument or Machine.
    Mantar-Calculate, Determine.
    An instrument by which we calculate some observation.
  • Built By
    It constructed by Maharaja Swai Jai Singh II in the year 1734.
  • Famous For
    Astronomical Historical Monument which is also a part of “UNESCO World Heritage Site.
  • Jantar Mantar Jaipur timings
    Opening time at 9:00 AM to closing time at 5:00 pm (All days of the week)
  • Jantar Mantar Jaipur entrance fee
    Indians- INR 50.
    Foreigner- INR 200.
  • Guide Availability
    Yes, you can quickly take guide service for best waving.
  • Photo/Videography
    Allow for everyone without any charge.
  • Use For
    knowing astronomical facts.
  • Food
    Canteen is available there.

Visiting Place Near Jantar Mantar Jaipur

Jantar Mantar Jaipur History

Jantar Mantar in Jaipur built by Maharaja Swai Jai Singh in the year 1734 for getting information about his future, rein duration means he wants to collect every information about his life through these observatory instruments which made there.

He was a brilliant Maharaja of Jaipur, and he gave many historical buildings to Jaipur due to which Jaipur always captured in the best tourist destination.
“Jantar Mantar Jaipur” is one of his famous five historical monuments.

Swai Jai Singh was much interested in astrological activities. He also has a collection of astronomy information due to that inspiration he built Jantar Mantar at his place in the Pink city.

There is most advanced calculating instruments with the information of the universe, sun family, earth orbit and exact locations of stars in the universe(Brahamand).


The most captured piece in Jantar Mantar is Sundial which is the world’s most significant sundial name as “Samrat Yantra” at 27 meters, and its shadow movement speed is 6cm per minute.

The observatory of Jantar Mantar was built by Pandit Jagannath who was Guru of Maharaja Swai Jai Singh. He made his(Swai Jai Singh) birth chart and suggested him for his signature moment like about his wars, wedding and rein duration of his life.

Jantar Mantar Jaipur Architecture

Jantar Mantar gives a relaxing view of our eyes under open sky beautiful destination.
Here we are explaining about sign and works of all instrument of Jantar Mantar:

  1. SUNDIAL(Vrihat Samrat Yantra):-

This is the world’s largest stone made sun watch which also a part of UNESCO world heritage site and also mentioned in Guinness Book Of World Record. This sundial gives Indian clock time.
It is the world’s largest clock built with horologe arm 22.6 meters high and largest quadrant with radius 15.5 meter.
The local time calculates through this instrument by the placement of triangular’s wall shadow, which placed in a north-south direction with an angle equal to the altitude of this location moves equal distance with same time intervals. On the east-west quadrants which are divided into 6 hours part each hour parted in 15 minutes and again deviation of 1 minute part internally also.
This movement gives the local time. This one-minute separation has ten subdivisions each of 6 second and these 6 seconds parted in 3 small deviations of 2 seconds each. This partitions circulation of the clock given Indian local time.

2. Small Samrat Yantra:-

This small smart yantra is given time to an accuracy of 20 seconds.
It has not any particular functions but as you know in our house sometime are added some difference between our two clock times, so the same Vrihat means big Samrat yantra and small Samrat yantra ha providing same functions.

3. Rashivalay(Ziodic House):-

There are 12 instruments are available which are a sign of the zodiac system.
These instruments are measuring the astronomical latitude or longitude of celestial objects.

4. Unnatamsa:-

This instrument provides the measurement of “Angular Height” of an object in the sky.

5. Jaya Prakash Yantra:-

These are two instruments which have half-circular structure is complete a structure of celestial sphere which is present the surface for calculating all results of celestial bodies.

6. Yantra Raj:-

This instrument is brief the position of celestial objects during the dark age time(14th century).

7. Krantivrtta:-

This instrument is used to calculate the longitude and latitude of celestial in the open sky, Also useful for measuring the solar sign of the sun in the daytime. Another Kranti written instrument used for calculating the distance between stars and sun’s ecliptic and equinox.

8. Rama Yantra:-

This Rama Yantra used to measure the altitude and azimuth of the sun and other Celestial objects. It was completed in 1891 by astrologer Gokul Chand Bhawan. Other Ram Yantra of this place gives the local altitude and azimuth of the celestial bodies.

9. Digamma:-

This cylindrical instrument is informed about the `particular azimuth of a celestial object.

10. Chakra Yantra:-

This is a circular ring instrument which measures the declination and angle durations of celestial bodies.

11. Nadivalaya:-

These are two circular plates with dial face of north and south directions. The walls of plates towards both north and south as like an angle which makes their position towards the earth’s equator.

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