Jantar Mantar

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Jantar Mantar - The Astronomical Observatory

A UNESCO World Heritage Site

Jantar Mantar, the famous astronomical observatory, is situated in Jaipur, Rajasthan, India. The name Jantar Mantar has been derived from the words Jantar, meaning ‘instrument’ and Mantar, meaning ‘formula’; thus, Jantar Mantar is also referred to as ‘Calculation Instrument’.

Jantar Mantar is a collection of architectural astronomical instruments built by Maharaja Jai Singh II between 1727 and 1734, which attracts a large number of tourists every year. Built totally of stone and marble, Jantar Mantar was also declared as a World Heritage Site by UNESCO.

Including Jaipur, Jantar Mantar was built at four other places also – Delhi, Ujjain, Varanasi and Mathura, but the observatory in Jaipur is the best among all of them. The Jantar Mantar at Jaipur consists of 14 major geometric devices for measuring time, predicting eclipses, tracking the location of stars, ascertaining the declinations of planets, and determining the celestial altitudes.


Below are the devices of attraction at Jantar Mantar:

  • Dakshinobhitti Yantra

  • Dhruva Yantra

  • Digansha Yantra

  • Disha Yantra

  • Jai Prakash Yantra

  • Kapali Yantra

  • Krantiwritta Yantra

  • Narivalaya Yantra

  • Raj Yantra

  • Ram Yantra

  • Rashi Yantras

  • Samrat Yantra

  • Unnantasha Yantra

jantar mantar jantar mantar jaipur

Timings to visit Jantar Mantar

Jantar Mantar is open on all days, except on public holidays, from 9:00 AM to 4:30 PM. The best season to visit is from October to March.

How to reach Jantar Mantar

Jantar Mantar is well connected with the Sanganer airport and the railway station at Jaipur.

To see the nearby places of attraction, visit Jaipur.

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