Jantar mantar is in jaipur lacoted near hawamahal and city palace is a collection of many architectural astronomical instruments of 19.
jantar mantar literary means calculation instrument in sanskrit.
it is build by jaysingh 2 in 1738CE. he was also the founder of jaipur
it is unesco world heritage site gives us the importance of it as it ha world biggest sundial.
and many brass and stone instruments using our hindu sacred sanskrit texts principle and astronomy knowledge these instrument allow us to know the astronomical position of stars and planet in our solar system by naked eyes it also express our architectural knowledge on that period.
in this monuments there are various instrument like Laghu samrat yantra, Jai Prakash Yantra, vrihat samrat yantra(the world’s largest sundial). this monument feature all the three zenith coordinate structure by seeing these instrument you can understand our knowledge of related to calculation of time without using energy or anything by just simple see those structural instrument using sun rays
the place is good and maintaining is I want to say carelessness the staff of this place is not concerning enough they just want to do time pass and making money much as possible but they first need to understand that it is very important monument for us it is not just a building and needs proper attention and try there best to improve our visit memorable with this monument
must visit site for jaipur visitors.