Jantar Mantar - Jaipur | Guided Tour | Detailed Explanation of all Astronomical Instruments

All instruments of Jantar Mantar explained in detail. The Jantar Mantar is a collection of nineteen architectural astronomical instruments built by the Rajput king Sawai Jai Singh II, and completed in 1734. This was built in 5 locations across the country but except the Jaipur all others areas the construction did not complete. The one in Jaipur is the only functional Jantar Mantar even after almost 300 years. It features the world's largest stone sundial, and is a UNESCO World Heritage site. It is located near City Palace and Hawa Mahal. The instruments allow the observation of astronomical positions with the naked eye. Jantar Mantar means 'calculating instrument'.
The observatory consists of nineteen instruments for measuring time, predicting eclipses, tracking location of major stars as the earth orbits around the sun, ascertaining the declinations of planets, and determining the celestial altitudes and related ephemerides. The instruments are (alphabetical):
1. Chakra Yantra (four semi-circular arcs on which a gnomon casts a shadow, thereby giving the declination of the Sun at four specified times of the day. This data corresponds to noon at four observatories around the world (Greenwich in UK, Zurich in Switzerland, and Notke in Japan and Saitchen in the Pacific); this is equivalent of a wall of clocks registering local times in different parts of the world.)
2. Dakshin Bhitti Yantra (measures meridian, altitude and zenith distances of celestial bodies)
3. Digamsha Yantra (a pillar in the middle of two concentric outer circles, used to measure azimuth of the sun, and to calculate the time of sunrise and sunset forecasts)
4. Disha Yantra
5. Dhruva Darshak Pattika (observe and find the location of pole star with respect to other celestial bodies)
6. Jai Prakash Yantra (two hemispherical bowl-based sundial with marked marble slabs that map inverted image of sky and allows the observer to move inside the instrument, measures altitudes, azimuths, hour angles and declinations)
7. Kapali Yantra (measures coordinates of celestial bodies in azimuth and equatorial systems, any point in sky can be visually transformed from one coordinate system to another)
8. Kanali Yantra
9. Kranti Vritta Yantra (measures longitude and latitude of celestial bodies)
10. Laghu Samrat Yantra (the smaller sundial at the monument, inclined at 27 degrees, to measure time, less accurate than Vrihat Samrat Yantra)
11. Misra Yantra (meaning mixed instrument, it is a compilation of five different instruments)
12. Nadi Valaya Yantra (two sundials on different faces of the instrument, the two faces represent north and south hemispheres, the accuracy of the instrument in measuring the time is less than a minute)
13. Palbha Yantra
14. Rama Yantra (an upright building used to find the altitude and the azimuth of the sun)
15. Rashi Valaya Yantra (12 gnomon dials that measure ecliptic coordinates of stars, planets and all 12 constellation systems)
16. Shastansh Yantra (next to Vrihat Samrat Yantra, this instrument is a 60 degree arc built in the meridian plane within a dark chamber. At noon, the sun's pinhole image falls on a scale below enabling the observer to measure the zenith distance, declination, and the diameter of the Sun.)
17. Unnatamsa Yantra (a metal ring divided into four segments by horizontal and vertical lines, with a hole in the middle; the position and orientation of the instrument allows measurement of the altitude of celestial bodies)
18. Vrihat Samrat Yantra (world's largest gnomon sundial, measures time in intervals of 2 seconds using shadow cast from the sunlight)
19. Yantra Raj Yantra (a 2.43-metre bronze astrolabe, one of the largest in the world, used only once a year, calculates the Hindu calendar)
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[@MEN_MACHINE_MATERIAL]

Madam, this is one of the best video i have ever seen, Guide is knowledgeable, Clear and having great explanation skills, Bingo!
Love from Mumbai

[@SwahaVlogs]

Thanks shaileshji appreciate your feedback. Will try to generate more content like this. Keep watching.

[@muthulaxmisrinivasan5354]

As a kid I had been to Jantar Mantar in Delhi and had to see it without a guide. I always wondered how it works and I really thankyou for posting this video.

[@SwahaVlogs]

Thank you very much and hope my video made you go back to you childhood and become nostalgic. My purpose has served of making these videos.

[@mohd.azharuddinmultani2182]

Great Video

[@modernpirate5166]

THANK YOU SO MUCH FOR THIS INFORMATION....

[@SwahaVlogs]

Glad it helps :)

[@pawankumarp458]

reallly i did not know this much detailed

[@SwahaVlogs]

Hope this video helped :)

[@pawankumarp458]

@@SwahaVlogs s

[@SwahaVlogs]

Cool

[@ramtej5]

Useful.

[@shivub4607]

Very nice explaination. Thank you both of you for making video....

[@SwahaVlogs]

Thank you very much :)

[@aumsath3620]

Thankyou for this. So very well described by the guide and captured by you. Amazed at what was achieved by our ancestors so many 100s of years back. Thankyou again.

[@SwahaVlogs]

Glad you enjoyed it!

[@sunny-kg1qt]

Great need more detailed vlog like this

[@SwahaVlogs]

Definitely, we are going to get as detailed vlogs as this one in our videos.. Thank you for appreciating.

[@amitagrawal5192]

Awesome place to visit...

[@SwahaVlogs]

I agreed. Lot to learn about history.

[@kishaanya9285]

thank you so much for the information in description box also for my school work it helped alot

[@SwahaVlogs]

Glad it helped!

[@surbhijain869]

Very nice work...i like it...

[@SwahaVlogs]

Thank you. Keep watching and liking our videos, we will post a lot of more interesting places and their information.

[@ElectricalNotesIndia]

Guide is great 👍

[@SwahaVlogs]

Glad it was helpful!

[@tanmayharitgaur3059]

👌👌👌👌

[@SwahaVlogs]

Thanks :)

[@dayanandaprasad8862]

Nice and good explanation😊

[@SwahaVlogs]

Thanks for the appreciation

[@surajchoudhary8334]

Very nice dear

[@SwahaVlogs]

Thank you :)

[@n.r.choudhary2966]

very work mam

[@SwahaVlogs]

Thanks :)

[@dynamicdaksh6081]

Woooooow😘😄😄😘😘🎉😍🥰😘🤩

[@SwahaVlogs]

Thanks :D

[@ayushpratap4235]

Ise dekh k realize hua ,,,, commerce nhi math's lena tha..😛

[@SwahaVlogs]

LOL :)

[@pushpendrasinghrajputana750]

Vapas kb aa rhe ho rajasthan

[@SwahaVlogs]

We will be there during start of 2024

[@pushpendrasinghrajputana750]

@@SwahaVlogs mujse contact kr Lena ap yr

[@priyavratsingh101]

Ma'am 24 hours vali ghdi me rat ka time kese dekhte hain btaya nhi

[@SwahaVlogs]

We couldnt wait that long and hence we couldnt show you. Sorry next time we go there, we will try to show you how it works in night :)

[@NareshKumar-zh9qw]

how much guide charged

[@SwahaVlogs]

200 I guess. I dont remember