+The **Prime Meridian** is Earth's zero of [longitude](/wiki/longitude), an imaginary line running from pole to pole. It anchors the global grid, dividing the Eastern and Western Hemispheres and serving as the foundational reference for [time zones](/wiki/time_zone) worldwide.
+## See also
+- [Latitude](/wiki/latitude)
+- [Equator](/wiki/equator)
+- [International Date Line](/wiki/international_date_line)
... 1 more lines