Right now, it is 4:27 AM on Friday, January 24, 2014.
Please don't blame me if this answer is wrong by the time you see it.
they are
The time meridian is each standard time zone roughly centered on a line of longitude exactly divisible by 15 degrees and the prime meridian is the starting point for the standard time zones an arbitrary longitude line.
The Prime Meridian passes through Greenwich, England. It is designated as 0 degrees longitude and all other meridians are measured in degrees east or west of it. The Prime Meridian was established for navigation and is the basis on which International time is kept.
The prime meridian is a line of longitude
The Prime Meridian
The Prime Meridian and 180° longitude are half-a-world apart.So 11 AM at 180° corresponds to 11 PM on the Prime Meridian.
they are
The time meridian is each standard time zone roughly centered on a line of longitude exactly divisible by 15 degrees and the prime meridian is the starting point for the standard time zones an arbitrary longitude line.
That would be zero degrees longitude.
The Prime Meridian passes through Greenwich, England. It is designated as 0 degrees longitude and all other meridians are measured in degrees east or west of it. The Prime Meridian was established for navigation and is the basis on which International time is kept.
The prime meridian is a line of longitude
75 degrees West.....castlelearning.com
The Prime Meridian
It is the "Prime Meridian" or the "0 degree Meridian" which is the basis for calculating time in most of the world.
Prime meridian, International Date Line, time zones
It is just the reference for international time.
By international agreement for roughly the last hundred years, the longitude through the Royal Observatory at Greenwich is accepted as the Prime Meridian, the zero point for measuring longitude. For precise measurement of the location of any place in the world, the location of the Prime Meridian must be precisely known. Therefore the Greenwich Observatory is important to geographers, who record all locations with reference, in part, to its distance from the Prime Meridian. The royal observatory there was very important in its time, and many ideas that are known by everyone now were brainstormed by the royal geographers in the past, so it has been adopted as the 'home' of geographical mapping of the Earth.. It is 0 degrees longitude, the Prime Meridian.