Prime Meridian And Antimeridian __full__ May 2026

But two invisible lines on that grid tell a fascinating story of human ego, global cooperation, and literal time travel.

But the Meridian and Antimeridian remain the ultimate reminder that time and space are just agreements. We agreed that Greenwich is 0°. We agreed that the day changes at 180°. We even agreed to zigzag the line so islanders don’t get confused. prime meridian and antimeridian

While the Prime Meridian is a celebration of order, the Antimeridian is a celebration of chaos. It runs mostly through the middle of the Pacific Ocean—but it takes a few dramatic detours. But two invisible lines on that grid tell