What are Time Zones? Time zones, put simply, are vertical sections of the world that have the same time. This is for convenience in civil and administrative purposes, as well as trade and business. To put it visually, imagine a protractor (a device for measuring angles) on the north pole, and then divide the entire world from there down to the south pole into 24 equal, 15° sections (given that the world, being round, has 360° of longitude). Beginning at the prime meridian in Greenwich, England, the time in each time zone increases by an hour going east, and decreases … Continue reading Time Zones