Jantar Mantar in Jaipur: how monumental instruments aided astronomy

In the courtyard of Jantar Mantar, geometric structures look like sculptures. In fact, these are historical astronomical instruments, the shape of which was determined by the task of observation.

Open air observatory

The Jaipur Observatory was established in the 18th century and is included in the UNESCO World Heritage List. Her instruments used geometry, the positions of celestial bodies, and shadows to take measurements.

How to view devices

First try to notice the inclination of the planes, arcs and direction of the shadow. Not every instrument works the same way: on-site explanations help you understand what was measured and how the scale was used.

Before visiting

Check opening hours and available tours. Do not climb onto equipment or touch marked surfaces. In an open area, water and sun protection will be useful; shadows and lighting change throughout the day.