India is a vast country. In order to maintain a uniformity of time within the country, 82!40E longitude is taken as the standard meridian of India. The local time along this meridian, serves as the Indian Standard Time (I.S.T.). This central meridian passes through the towns of Allahabad and Mirzapur (U.P.) Indian standard Time is 514 hours ahead of Greenwich Mean Time (G.M.T.).
