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Because the result would be anarchy!
Sailors, airplane pilots, military ground forces and general civilians use Greenwich as the reference point of zero degrees longitude for all navigaton purposes. Repeat: ALL navigation purposes. Charts created a hundred years ago and still in use today refer to Greenwich as point zero. Time almanacs for celestial navigation (using a sextant or computer programs and/or in electronic charts) are in print, or computerized, or even in some cases memorized, that allow people to calculate their position upon this planet using Greenwich as the reference point.
GPS systems in automobiles, upon ships & planes, in hand-held devices, would all have to be recalibrated should the reference point be changed.
While yes, it is technically possible to change the Prime Meridian, there is no -- repeat NO -- advantage to doing so. Conversely, there is a HUGE monetary and technilogical cost to changing from the status-quo. Like it or not, Greenwich is, and will remain, the Prime Meridian.
What else can I help you with?
Is the international date line a parrallel or a merdian?
The international date line is a meridian. It is also known as the Greenwich Meridian .
The international date line roughly follows which meridian and why does it vary from that meridian in places?
Greenwich
What is another name for the Greenwich Meridian?
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.
What runs through Greenwich England the equator tropic of cancer international date line or Prime Meridian?
The Prime Meridian, which is why it is known as the Greenwich Meridian.
What do International Date Line and Greenwich Meridian represent?
The International Date Line represents the imaginary line that marks the change in calendar dates as one travels east or west across it. The Greenwich Meridian represents the prime meridian, from which time zones are calculated and Greenwich Mean Time (GMT) is measured.
What is the opposite of the international date line?
not sure what is up with all that^ but from the north pole to the south pole on one side of the world the international date line is the international date line. On the other side of the world The international date line is the prime meridian
Name of the line that is 0º longitude?
It is popularly known as the Greenwich Meridian. The Pacific extension of this meridian is the International Date Line.
Where do the east and west lines of longitude meet?
At the Greenwich meridian, and the international date line.
What is the starting meridian called?
The starting meridian is called the Prime Meridian, which is located at 0 degrees longitude and runs through Greenwich, England.
How many degrees from the greenwich meridian is the international dateline?
The Greenwhich meridian also Prime Meridian is 0 degrees longitude and International Date Line roughly follows the 180° longitude or antimeridian. The antimeridian is the meridian which is 180° east or west of the Prime Meridian.
What line runs from the north pole to the south pole on the opposite side of the globe of the Greenwich meridian?
The International Date Line
What line runs from the north pole to the south pole on the opposite side of the globe to the greenwich meridian?
The International Date Line
