World Map With International Date Line And Prime Meridian

Students will label 17 items on the world map including the continents oceans equator prime meridian international date line north pole and south pole.

World map with international date line and prime meridian. The prime meridian divides the earth into two. What s included with the printed versions. The prime meridian is the meridian defined as 0 00 00 longitude. Alternatively students can just color on the coloring page version.

The international date line. The international date line idl on the map. The international date line zigzags around the 180th meridian. It was first established by sir george airy in 1851 and by 1884 over two thirds of all ships and tonnage used it as the reference meridian on their charts and maps.

Last updated 26 sep 2018 the international date line is located halfway around the world from the prime meridian 0 longitude or about 180 east or west of greenwich london uk the reference point of time zones. It is the longitudinal meridian of reference. The prime meridian is a geographical reference line that passes through the royal observatory greenwich in london england. It is also known as the line of demarcation.

In october of that year at the behest of us president chester a. And halfway around the world from the greenwich meridian. Unlike the equator s position that is determined by the earth s rotational axis the position of the prime meridian has been defined arbitrarily over the years as greenwich in the united kingdom. Gps shows different meridian.

These various deviations generally accommodate the political and or economic affiliations of the affected areas. Arthur 41 delegates from 25 nations met in washington d c united states for the international meridian conference this conference. The 180th meridian or antimeridian is the meridian 180 both east and west of the prime meridian with which it forms a great circle dividing the earth into the western and eastern hemispheres. In other places however the idl deviates east or west away from that meridian.

The prime meridian also helps establish the international date line. The original greenwich meridian daniel case. Blank world map for students to label and color 1 page uneditable pdf. In 1541 mercator produced his famous 41 cm terrestrial globe and drew his prime meridian precisely through fuerteventura 14 1 w in the canaries.

The meridian at 180 longitude is commonly known as the international date line. The prime meridian of the world s original location marked by the dotted line was agreed upon at a meeting in washington in 1884 using a telescope. In many places the idl follows the 180 meridian exactly. It is common to both east longitude and west longitude.

Since everyone is running around with their own gps tracker or mobile phones with gps capability a visit to the royal observatory in greenwich london may have become a slightly disappointing affair for some the observatory is home to the airy transit circle a telescope designed by george biddell airy in the 19th century which marks the location of the prime meridian the line running along 0 of longitude. 1571 africa map by abraham ortelius with cape verde as its prime meridian. Japan is thus located around 180 e.