Jantar Mantar
Opening hours
9am–4:30pm (closed Fridays)
Entry fee
₹50 Indians · ₹200 foreigners · Audio guide ₹100
Best time
10–11am — sun angle makes the sundials most legible
Time required
1.5–2 hours
How to reach
Walking distance from City Palace and Hawa Mahal. 5-minute walk from Tripolia Bazaar.
Insider note
Get the audio guide — without it, the instruments are just giant stone sculptures. With it, you'll understand that this 18th-century observatory was accurate to within 2 seconds for time measurement.
Frequently Asked Questions
Is Jantar Mantar Jaipur a UNESCO World Heritage Site?
Yes — it was inscribed in 2010. It contains 19 architectural astronomical instruments built by Maharaja Jai Singh II in 1734.
How much time do I need at Jantar Mantar?
One hour minimum with the audio guide, 2 hours if you're genuinely interested in the science. It's small but dense with information.