Longitude — Meridian

This line became known as the , designated as 0° longitude .

The Grid Lines of Earth: Understanding Meridian Longitude and Its Impact on the Modern World meridian longitude

North Pole / | \ / | \ | | | West |0° | | East | | | \ | / \ | / South Pole (Prime Meridian) Key characteristics of meridians include: This line became known as the , designated as 0° longitude