Location: Jaipur

Jantar Mantar: A Celestial Masterpiece
Welcome to the Jantar Mantar, Jaipur – a monumental astronomical observatory that stands as a stunning fusion of science, art, and architecture. Designated a UNESCO World Heritage Site, this open-air marvel invites you to step back in time and explore the cosmos through the genius of 18th-century Indian astronomy. The Jantar Mantar (“instrument for calculation,” from Sanskrit Yantra and Mantra) was commissioned by Maharaja Sawai Jai Singh II, the founder of Jaipur, between 1728 and 1734.
Monumental Architecture and Precision
What sets the Jaipur Jantar Mantar apart is its collection of nearly twenty fixed instruments—massive structures built from local stone and marble. Jai Singh II chose to use these large, permanent masonry instruments to achieve greater accuracy and durability compared to the smaller, often less precise metal instruments available at the time.
The observatory is an outstanding example of the intellectual meeting point between different scientific traditions. It integrates ideas and astronomical concepts from various cultures, including those from the Islamic and Ptolemaic positional astronomy traditions, alongside ancient Sanskrit texts. It represents the ultimate monumental culmination of the pre-telescopic observatory tradition.
Monumental Architecture and Precision
| Location | Adjacent to City Palace & Hawa Mahal |
| Timings | 0900 hrs to 1630 hrs |
| Duration | 1 to 1.5 hours |
| Entry Fees | Applicable as per ASI guidelines |
| Best Time To Visit | Winter Season : October to March |
| Getting There | Easily accessible by auto-rickshaw or taxi. The nearest Metro station is Badi Chaupar |
| Sound & Light Show | An evening Sound and Light Show is often hosted, offering a captivating narrative of the observatory’s history |
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