Sun Dialing the Skies at Jantar Mantar in Jaipur | India
Situated within the old city of Jaipur near the City Palace and Hawa Mahal is the UNESCO World Heritage site of Jantar Mantar. Named after the words yantra, which in Sanskrit means “instrument,” and mantrana, meaning “to calculate,” Jantar Mantar is an equinoctial sundial engineered to measure local time and track the declination of the sun alongside the wider celestial sphere.