India: The Jantar Mantar

The inspiration and indulgences of Rajasthan’s Royal Family

JANTAR MANTAR – OBSERVATORY

The Jantar Mantar, is a monument which houses a collection of nineteen architectural astronomical instruments. Built by the Rajput king Sawai Jai Singh II, and completed in 1734, it features the world’s largest stone sundial and is a UNESCO World Heritage site. The instruments are constructed from masonry, stone and brass and were built using astronomy and instrument design principles outlined in ancient Hindu Sanskrit texts. The instruments allow the observation of astronomical positions with the naked eye; the scale of the structures was very impressive. As well as instruments of various sizes (and accuracy) for telling time there was a number set aside for astrology, which is very important in Hindu culture, especially when it comes to births and marriage.

Jantar Mantar – optical instrument

The World’s Largest Sundial

This is an astrological instrument

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