The line intersects the latitude lines that are horizontal.
20+ Prime Meridian International Date Line Gif. The main one being that nearly two thirds of the world's ships were already using. The international date line is a fictive line describing boundaries of time zones (roughly round 180° longitude) with time zone differences of roughly one day.
180th Meridian Wikipedia from upload.wikimedia.org
The international date line (idl) is an imaginary — and arbitrary — line on earth's surface that runs from the north pole to the south pole. The official prime meridian was chosen at an international convention in 1884 to be the line that runs through greenwich, england. The international date line d.
The prime meridian is the meridian (line of longitude) at which the longitude is defined to be 0°.
The prime meridian is a vertical line that marks the zero degree longitude measurement on earth. In the eastern and western hemispheres of earth. Every place on earth was measured in terms of its distance east or west from this line. The line intersects the latitude lines that are horizontal.
