abstract:The Jantar Mantar is an equinoctial sundial, consisting a gigantic triangular gnomon with the hypotenuse parallel to the Earth's axis. On either side of the gnomon is a quadrant of a circle, parallel to the plane of the equator.
For those with more interest in all things celestial, head to the peculiar terracotta forms of the JantarMantar, an observatory constructed in 1725 by the Maharajah Jai Singh.