Jantar Mantar
About
Standing amidst the colossal stone instruments of Jantar Mantar, visitors are transported into a world where architecture and astronomy collide with mind-bending precision. Shadows crawl across the massive Samrat Yantra, the world’s largest stone sundial, marking time with an accuracy that still humbles modern visitors. As a highlight of Jaipur tourism, this UNESCO World Heritage site is a cornerstone of any Jaipur travel guide. Deciphering these ancient star-tracking structures is one of the most intriguing things to do in Jaipur. Often featured in Jaipur tour packages, it remains one of the top attractions in Jaipur. During the best time to visit Jaipur, the clear winter skies allow the geometric marvels to shine. For those on a Jaipur trip or unhurried Jaipur holidays, escaping the comfort of Jaipur hotels to visit Jaipur’s scientific heart is essential for complete Jaipur sightseeing. It stands proudly among the most fascinating places to visit in Jaipur.
Highlights
What makes this place special
Samrat Yantra
The world's largest stone sundial at 27 meters tall, casting a shadow that moves visibly at 1mm per second, telling time to an accuracy of 2 seconds.
Jai Prakash Yantra
Two hemispherical marble sundials representing inverted maps of the sky, where the observer stands inside the bowl-shaped cavity to make observations.
Rashivalaya Yantra
A set of 12 instruments, one for each zodiac sign, used to determine celestial coordinates — among the most unique astronomical instruments ever created.
Things to Know
- •Hire a guide — the instruments are fascinating but impossible to understand without explanation
- •The Samrat Yantra sundial can tell time accurate to 2 seconds
- •Best visited in the morning when shadows are sharp and instruments are easiest to read
- •Included in the Jaipur composite ticket
- •Located next to City Palace and near Hawa Mahal — combine all three
- •Jai Singh built five observatories across India — this is the largest and best-preserved
