Longitude is the angular measurement in degrees east or west of the Prime Meridian. The Prime Meridian is at zero degrees; going east, your longitude is in degrees and minutes east, while going west your longitude is measured in degrees and minutes west.
A circle is 360 degrees, so the maximum longitude is 180 degrees either way. At the 180 degree line (called the "anti-meridian") the measurement is neither east nor west.
Longitude measures the distance east and west of the prime meridian.
longitude
The longitude of every point on the Prime Meridian is Zero.
Longitude, which is measured east or west from the Prime Meridian.
The Prime Meridian is a line of longitude, and it sits at 0 degrees longitude.
The Prime Meridian is zero degrees longitude.
Longitude measures the distance east and west of the prime meridian.
The "Prime Meridian" is the zero-line of longitude, which runs through the Royal Observatory in Greenwich, England. We measure longitude east or west from the Prime meridian.
prime meridian
Longitude
Prime Meridian.
longitude
longitude
longitude
longitude
The longitude of every point on the Prime Meridian is Zero.
Longitude, which is measured east or west from the Prime Meridian.