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- Jantar Mantar is located in the modern city of New Delhi.
- “Jantar Mantar” means “instruments for measuring the harmony of the heavens”.
- It was built by Maharaja Jai Singh II of Jaipur
- It was built in the year 1724.
- It is a collection of 19 astronomical instruments
- It can be called as one of the Mathematical places of India.
- It takes an area of 1.8652 ha (4.609 acres)
- It has the world’s largest sundial.
- It is listed as a UNESCO world heritage site.
- It is one of the world’s most accurate pre-modern observatories.
