Directly opposite the Prime Meridian lies the 180th meridian. This line serves as the basis for the International Date Line, where the calendar day officially changes. Modern Applications
Meridian coordinates, also known as longitude and latitude coordinates, are a set of numbers used to locate a point on the Earth's surface. The system consists of two main components: meridian coordinates
Together, these two coordinates provide a unique reference system for identifying locations on the Earth's surface. Directly opposite the Prime Meridian lies the 180th meridian