The International Date Line (IDL) is an imaginary line that runs from the North Pole to the South Pole, roughly along the 180° longitude. It marks the boundary where the date changes, moving from one calendar day to the next. ...

Indian Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the time at the 82.5° East longitude, which passes through the town of Mirzapur in Uttar Pradesh. IST is 5 hours and 30 ...

Time zones are regions of the Earth that have the same standard time. The Earth is divided into 24 time zones, each representing one hour of time difference from the next. These time zones are based on the Earth’s rotation ...

Latitude and longitude are combined to give the exact location of any place on Earth. Latitude lines run horizontally, measuring the distance north or south of the Equator, while longitude lines run vertically, measuring the distance east or west of ...

Longitude is the angular distance of a place east or west of the Prime Meridian, measured in degrees. It is represented by imaginary lines called meridians, which run vertically from the North Pole to the South Pole. The Prime Meridian, ...