Jantar Mantar

The Jantar Mantar is the world’s largest sun dial! They have 3 of these in India (another one in Delhi, and another one somewhere else in India but this is the largest one. When it was originally built, it was 20 seconds off actual time, the king did not think that was accurate enough, so he then built the bigger sun dial (worlds largest) and it is within 1 second of accuracy. It was built in 1700s.Read more