The Prime Meridian (0° Longitude)
The Prime Meridian is the reference line of 0 degrees longitude passing through the Royal Observatory in Greenwich, London. It establishes Greenwich Mean Time (GMT / UTC) and divides Earth into the Eastern and Western Hemispheres.
Geographic Dimensions & Position
Defined internationally at the 1884 International Meridian Conference in Washington, D.C. It is the baseline from which all global time zones and longitude coordinates are measured.
Countries & Territories Crossed
People Also Ask About The Prime Meridian (0° Longitude)
High-intent geographic questions regarding coordinates, traversed nations, and planetary geometry.
QWhat are the exact coordinates of The Prime Meridian (0° Longitude)?
The Prime Meridian (0° Longitude) is positioned at 0° 00' 00" Longitude relative to the WGS84 ellipsoidal reference frame.
QHow long is The Prime Meridian (0° Longitude) in miles and kilometers?
The total circumference / length of The Prime Meridian (0° Longitude) is approximately 20,003.93 km (pole to pole).
QHow many countries does The Prime Meridian (0° Longitude) pass through?
The Prime Meridian (0° Longitude) crosses through 8 sovereign nations and territories: United Kingdom, France, Spain, Algeria, Mali, Burkina Faso, Togo, Ghana.
QWhat is the scientific significance of The Prime Meridian (0° Longitude)?
Defined internationally at the 1884 International Meridian Conference in Washington, D.C. It is the baseline from which all global time zones and longitude coordinates are measured.
QHow does The Prime Meridian (0° Longitude) divide the globe into hemispheres?
The Prime Meridian (0° Longitude) and the 180th Meridian divide the Earth into the Eastern Hemisphere and Western Hemisphere.
QHow do seasonal solstices and daylight hours relate to The Prime Meridian (0° Longitude)?
Solar elevation angles across The Prime Meridian (0° Longitude) govern solar culmination and seasonal daylight duration, determining tropical, temperate, or polar climatic zones.