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Jantar Mantar, New Delhi

(3.4/5 based on 500+ reviews on the web)
Jantar Mantar, one of five open-air astronomy sites built by Maharaja Jai Singh II, contains instruments once used to revise the calendar and astronomical tables. Built in the 18th century, the facility allowed scientists to observe movements of the sun, moon, and planets. During your visit, look for individual instruments like Samrat Yantra, a huge triangle used as an equal hour sundial, as well as Misra Yantra, which measures the longest and shortest days of the year. Detailed descriptions in English accompany each instrument, so you may not need to hire a guide. Plan to visit Jantar Mantar during your New Delhi vacation using our convenient New Delhi travel itinerary maker.
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Reviews
TripAdvisor
  • We visited this place in morning around 9.30 AM...and to know about the machine for checking time for ancient time...it was nice feeling.  more »
  • the structures do depict the significance of astronomical observations, but due to lack of maintenance and proper care, it falsely appears as dilapidated structures.  more »
  • We wanted to see the amazing structures built to study the stars many years ago. While maintenance is being done on some of the buildings, the park is relaxed and we really enjoyed our visit. The sign...  more »
Google
  • The jantars have evocative names like Samrat Yantra, Jai Prakash, Ram Yantra and Niyati Chakra; each of which are used to for various astronomical calculations. The primary purpose of the observatory was to compile astronomical tables, and to predict the times and movements of the sun, moon and planets.
  • Good experience to visit an old historical and science place in central Delhi. Near to The Park Hotel and if you want to get there from other side of city public transport and Taxi available. Not clean same as other site in Delhi. When you visit india you have to set another standard for cleanness then you can enjoy heritage and culture all over India.
  • Technically speaking The Jantar Mantar is an equinoctial sundial, consisting a gigantic triangular gnomon with the hypotenuse parallel to the Earth's axis. On either side of the gnomon is a quadrant of a circle, parallel to the plane of the equator. The instrument is intended to measure the time of day, correct to half a second and declination of the Sun and the other heavenly bodies. It is located in New Delhi, the nearby landmarks are The State Bank of India complex constituting of the 14 floors Local Head Office, The Ministry of Home Affairs building (two iconic structures with a curved base that goes positive exponential upwards to meet at a point). It is a very open and widely spread area with grass lawns and walking path as well. This is the best place for a photoshoot and getting a nice view of the surrounding architectures like the DLF Building, The Park Hotel and many more. In my experience, I went there along with office colleagues on a half day and spent around a couple of hours photographing the architectures. People should avoid bringing foods and other eatables inside the area because the organizers try to keep the area clean, instead some people intentionally spoil the beauty. The fee is reasonable of Rs.5/- for local visitors and it is Rs.250/- for visitors from other countries. How to reach: There are two metro stations which are in its proximity namely Raijv Chowk Metro and Patel Chowk Metro.
  • Today I visited this place which located at heart of New Delhi. It consists of 13 architectural astronomy instruments. The site is one of five built by Maharaj Jai Singh II ofJaipur, from 1723 onwards, as he was given by Mughal emperor Muhammad Shah the task of revising the calendar and astronomical tables. From last 2-3 years it becomes famous due to politicians strikes.But sadly it is not maintained properly, some renovation work was going on. There is entry fee of Rs. 15/-
  • The Jantar Mantar is located in the modern city of New Delhi. It consists of 13 architectural astronomy instruments. The site is one of five built by Maharaja Jai Singh II ofJaipur, from 1723 onwards, as he was given by Mughal emperor Muhammad Shah the task of revising the calendar and astronomical tables. There is a plaque fixed on one of the structures in the Jantar Mantarobservatory in New Delhi that was placed there in 1910 mistakenly dating the construction of the complex to the year 1710. Later research, though, suggests 1724 as the actual year of construction. The primary purpose of the observatory was to compile astronomical tables, and to predict the times and movements of the sun, moon and planets. Some of these purposes nowadays would be classified as astronomy. Completed in 1724, the Delhi Jantar Mantar had decayed considerably by 1867.