The Greenwich Meridian or the Prime Meridian is the imaginary line on maps from which all international times are calculated. Greenwich Mean Time (GMT). The time at every point on earth is calculated with respect to Greenwich Mean Time. This practice was originated for maritime navigation and meant that ships clocks needed to be extremely accurate and well maintained.
Another name for a line of longitude is a Meridian, with the Prime Meridian being zero that passes through Greenwich, UK.
It is sometimes called the Greenwich meridian or 0° longitude.
The prime meridian passes through Greenwich, England.
Everywhere on Earth has a meridian, which is the line through the point and also through the north and south poles. The prime meridian marks the meridian with zero longitude. It used to be marked by a line in the ground at the Greenwich observatory in London, but in GPS coordinates the prime meridian passes about 50 metres to the east of that line now.
The Prime Meridian, which is why it is known as the Greenwich Meridian.
Prime Meridian
Another name for a line of longitude is a Meridian, with the Prime Meridian being zero that passes through Greenwich, UK.
The other name for the Prime Meridian is "the meridian of zero longitude", because it is the meridian on which the longitude of every point is zero. Still another name for it is the "Greenwich meridian", because it is one of an infinite number of meridians that pass through Greenwich.
It is sometimes called the Greenwich meridian or 0° longitude.
The prime meridian passes through Greenwich, England.
The Prime Meridian, or the Greenwich Meridian.
Greenwich, England
The place name associated with the 0 degree meridian is Greenwich, London, United Kingdom. This is where the Prime Meridian is located and is considered the starting point for measuring longitude. The Royal Observatory in Greenwich marks the spot where the Prime Meridian passes through.
greenwich
Greenwich
The Prime or Greenwich meridian. 0 degrees longitude
Greenwich meridian was created in 1884.