World Heritage Identification Number: 1338
World Heritage since: 2010
Category: Cultural Heritage
WHE Type: Buildings & Architectural Ensembles
Transboundary Heritage: No
Endangered Heritage: No
Country: 🇮🇳 India
Continent: Asia
UNESCO World Region: Asia and the Pacific
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The Jantar Mantar, Jaipur: A Cosmological Marvel
The Jantar Mantar, located in the bustling city of Jaipur, Rajasthan, India, stands as a testament to the astronomical prowess of the Rajput king Sawai Jai Singh. Completed in 1734, this unique observatory is a UNESCO World Heritage Site, recognized for its historical, cultural, and scientific significance.
More to come…UNESCO Description of the World Heritage Site
The Jantar Mantar, in Jaipur, is an astronomical observation site built in the early 18th century. It includes a set of some 20 main fixed instruments. They are monumental examples in masonry of known instruments but which in many cases have specific characteristics of their own. Designed for the observation of astronomical positions with the naked eye, they embody several architectural and instrumental innovations. This is the most significant, most comprehensive, and the best preserved of India's historic observatories. It is an expression of the astronomical skills and cosmological concepts of the court of a scholarly prince at the end of the Mughal period.
UNESCO Justification of the World Heritage Site
Criterion (iii): The Jantar Mantar in Jaipur is an outstanding example of the coming together of observation of the universe, society and beliefs. It provides an outstanding testimony of the ultimate culmination of the scientific and technical conceptions of the great observatory devised in the Medieval world. It bears witness to very ancient cosmological, astronomical and scientific traditions shared by a major set of Western, Middle Eastern, Asian and African religions, over a period of more than fifteen centuries.
Criterion (iv): The Jantar Mantar in Jaipur is an outstanding example of a very comprehensive set of astronomical instruments, in the heart of a royal capital at the end of the Mughal period in India. Several instruments are impressive in their dimensions, and some are the largest ever built in their category.
Encyclopedia Record: Jantar Mantar, Jaipur
The Jantar Mantar is a collection of 19 astronomical instruments built by the Rajput king Sawai Jai Singh, the founder of Jaipur, Rajasthan. The monument was completed in 1734. It features the world's largest stone sundial, and is a UNESCO World Heritage Site. It is near City Palace and Hawa Mahal. The instruments allow the observation of astronomical positions with the naked eye. The observatory is an example of the Ptolemaic positional astronomy which was shared by many civilizations.Additional Site Details
Area: 1.8652 hectares
Number of Components: 1
(iv) — Outstanding example of a type of building or landscape
Coordinates: 26.9247222222 , 75.825
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© UPAL KUMAR BHATTACHARYA, CC BY-SA 4.0 Resized from original. (This derivative is under the same CC BY-SA license.)
World Heritage Research
Discover scientific research and academic studies that deepen our understanding of The Jantar Mantar, Jaipur from its history and significance to its conservation, management, and contemporary challenges.
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Universal Access in Heritage Site: A Case Study on Jantar Mantar, Jaipur, India
A key insight from the study on Jantar Mantar, Jaipur, is that universal design interventions can significantly enhance accessibility and appreciation of heritage sites for diverse users. The research demonstrates how integrating principles of equal opportunity, non-discrimination, and designing for diversity can improve physical and intellectual access to such sites. Conducted as part of a Master's in Architectural Conservation Design Studio at Jantar Mantar, the study involved diverse stakeholders and proposed practical solutions. It highlights the role of architects and education in fostering accessibility awareness, emphasizing the need to incorporate universal design teaching in architecture schools. This approach aims to create more inclusive heritage sites that cater to varied needs while preserving cultural significance.
Vardia Shweta, Khare Ajay, & Khare Rachna. (2018). Universal Access in Heritage Site: A Case Study on Jantar Mantar, Jaipur, India. Transforming Our World through Design, Diversity and Education. https://doi.org/10.3233/978-1-61499-923-2-67
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Astronomical Observatory
Jantar Mantar, a UNESCO World Heritage Site and one of India's most renowned astronomical observatories, was built in 1724 by Maharaja Jai Singh II to create precise astronomical tables and predict celestial movements. Constructed with advanced instruments (yantras) based on mathematical formulas (mantars), it played a pivotal role in early modern astronomy before being rendered obsolete by urban development. Though no longer used for scientific purposes, its historical significance as a testament to 18th-century Indian astronomical innovation remains unparalleled. The site's preservation highlights the intersection of science, architecture, and cultural heritage, drawing millions of visitors annually.
Khanna, M. (2014). Astronomical Observatory. Opticon1826, 0(16). https://doi.org/10.5334/opt.bm
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