International Date Line International Date Line The International Date Line (IDL) is an imaginary line of demarcation on the surface of Earth that runs from the North Pole to the South Pole and demarcates the change of one calendar day to the next. It passes through the middle of the Pacific Ocean, roughly following the 180° line of longitude but deviating to pass around some territories and island groups. The IDL is roughly based on the meridian of 180° longitude, roughly down the middle of the Pacific Ocean, and halfway around the world from the Greenwich meridian. In many places, the IDL follows
Mokokchung district It covers an area of 1,615 km². The physiography of the district shows six distinct hill ranges. The ranges are approximately parallel to each other and are aligned roughly north-east/south-west. The district lies between 94.29 and 94.76 degrees east longitude and 26.20 and 26.77 degrees north latitude. The entire district of Mokokchung is conveniently sub-divided into ranges. The main valleys are Tsurang, Changki and Milak Valleys. The district is agriculturally and industrially among the most progressive districts in the state, along with Dimapur and Kohima. Major agricultural regions are Changki-Longnak, Tsurang, Milak and Dikhu valley regions. Tuli-Milak region and Changki-Longnak