International Date Line
The International Date Line is an imaginary line located roughly along the 180th meridian in the Pacific Ocean. It serves as the line of demarcation between two consecutive calendar days and is the place where the day changes first.
Local Time and Standard Time: A Guide to Timekeeping Around the World
Local time refers to the time in a certain area, which is determined by the position of the sun in the sky and the line of longitude that passes through it. This means that local time varies from region to region, so it is important to have a standard time system. Standard time is based […]
Latitude and Longitude
Longitude refers to the angular distance of a point on the earth’s surface, in degrees, along the equator, either east or west of the Prime Meridian, as illustrated in Figure 1(a). The lines of longitude, also known as meridians, are depicted as a series of semi-circles that run from pole to pole and intersect the equator.