Jantar Mantar - An impressive astronomical marvel in Delhi[/caption]
Situated in Delhi, Jantar Mantar built by Maharaja Sawai Jai Singh II in 1724 is a popular place to see. Its name reveals the purpose for which it was built. It is an instrument (Jantar/Yantra) that uses formulae (Mantra) to perform astronomical calculations. A collection of geometric devices were constructed to serve the following purpose:
- Measuring time
- Weather forecasting
- Predict planetary movements and movements of the sun and the moon.