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Jantar Mantar is an ancient astronomical observatory built by Maharaja Sawai Jai Singh II. It has several large instruments made of stone and marble, designed to study stars, time, and the movement of planets.
One of the most famous instruments is the Samrat Yantra, which is a huge sundial that tells accurate time using the shadow of the sun. Even today, these tools work perfectly and show how intelligent and advanced the scientists and engineers of that time were.
Visitors from all around the world come here to learn how people studied space without modern machines. The observatory is also a UNESCO World Heritage Site, proving its global importance.
Walking around the instruments feels like stepping into a world of science and history, making Jantar Mantar a must-visit for curious minds and students.
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It is famous for being a UNESCO World Heritage astronomical observatory with the world’s largest stone sundial.
Visitors can explore 19 massive astronomical instruments designed to measure time, track stars, and predict eclipses.
It is open daily from 9:00 AM to 5:00 PM.
Yes, entry fee ranges from ₹50–₹200 depending on nationality and ticket type.
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