Jantar Mantar, Astronomical observatory in Jaipur, India.
The complex contains nineteen astronomical instruments constructed from local stone and marble, including the Samrat Yantra, a giant sundial measuring 88 feet in height.
Maharaja Jai Singh II constructed this scientific complex between 1728 and 1738, employing 23 astronomers to develop precise measurements of celestial positions.
The astronomical instruments demonstrate the exchange of scientific knowledge between Islamic, European, and Indian astronomical traditions during the 18th century.
The observatory remains functional today, allowing visitors to observe astronomical positions through instruments that measure time, track stars, and predict eclipses.
The Vrihat Samrat Yantra sundial measures time with an accuracy of two seconds, making it the most precise instrument of its kind from the 1730s.
Location: Jaipur
Inception: 18 century
Website: http://museumsrajasthan.gov.in/monument/jantar-mantar
GPS coordinates: 26.92474,75.82447
Latest update: May 26, 2025 19:47
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