Longitude is an angle that's involved in a description of a location on Earth.
It stays right where it's at and doesn't run, any more than the address of
your house runs anywhere.
If you pick one longitude and then find all the points on Earth that have that longitude,
they form a line that joins the north and south poles.
North and south.
North and South
Latitude lines run east-west, but measure north and south. Longitude lines run north-south, but measure east and west.
North - South, or South - North depending where you are standing at the time of the question
Time zones are based off of longitude
Longitude are the vertical lines, like the Greenwich Meridian, and latitude are the horizontal ones, like the Equator. I remember this as the Earth is fatter around the Equator, and squashed at the Poles, so the Longitude lines go the short way, which is opposite to the way you would think! 2c9dd5a9-a7f3-4ff1-9a12-e0799b48ab5b 1.03.01 2c9dd5a9-a7f3-4ff1-9a12-e0799b48ab5b 1.03.01
North - South; up and down most maps.
Lines of latitude run east-west, parallel to the equator, while lines of longitude run north-south, meeting at the poles. Together, they create a grid system used to locate positions on the Earth's surface.
longitude
East-West
At the poles, the idea of longitude is essentially meaningless. Take a few steps either way; your longitude will depend on which way you walked. Of course, from the pole itself every direction is "South", which makes navigation a little challenging.....
Longitude lines run from pole to pole.