On the north and north-east it is bounded by the Varanasi district; on the south bounded by Sonbhadra district; on the north-west by Allahabad district. The shape to the north and west is totally regular. In no direction, except for about 13 km. in the north-east where he the Gangesseparates the Tehsil of Chunar from the district of Varanasi, has Mirzapur a natural frontier. The Chanvar fields, considered to be one of the most fertile lands tracts in India, are located on Gangetic flood plains of the district.Also, Indian Standard Time is calculated on the basis of 82.5° E longitude, from a clock tower in
