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Jantar Mantar

1724–1735 · 18th century

Jantar Mantar is the name of the five astronomical observatories built by Sawai Jai Singh II of Amber in the 1720s and 1730s at Jaipur, Delhi, Ujjain, Varanasi and Mathura. They consist of huge masonry instruments for measuring time and the positions of celestial bodies. The Jaipur observatory, the largest and best preserved, includes a giant sundial and became a UNESCO World Heritage Site in 2010.

Jantar Mantar
Image: Knowledge Seeker · Public domain · Wikimedia Commons

Mentioned in 1 state history

Jaipur State

See also

Cite this entry
APA
The Epoch Institute. (2026). Jantar Mantar. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/jantar-mantar
MLA
“Jantar Mantar.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/jantar-mantar. Accessed .
Chicago
The Epoch Institute. “Jantar Mantar.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/jantar-mantar.
Harvard
The Epoch Institute (2026) ‘Jantar Mantar’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/jantar-mantar (Accessed: ).

Last reviewed October 2026Random entry ↻