Jantar Mantar New Delhi, Feb. 17, 2016: Students of the Space Club (module II) visited the ‘Jantar Mantar Observatory’ to study five different yantras like Ram yantra, Samrat yantra, Mishr yantra, etc. Significance of yantras was explained & were asked to measure Gnomon shadow of the Samrat yantra. Students were trained to find local time & relate it with the IST by using the equation of time. Concept of universal coordinates through the Jaiprakash yantra was also explained.