Meridian Longitude [hot] 〈iPad Premium〉

But what exactly is a meridian longitude? How is it different from a parallel of latitude? And why does the choice of a "Prime Meridian" matter? This article will take you on a deep dive from the Greenwich Observatory to the depths of the International Date Line.

From this line, we measure 180 degrees east and 180 degrees west. These two halves meet at the , which serves as the basis for the International Date Line. Crossing this invisible line changes not just the hour, but the actual day. meridian longitude

Longitude isn’t just about distance; it’s the foundation of how we measure time. Because the Earth rotates 360° every 24 hours, it moves . But what exactly is a meridian longitude