Meridian Coordinates -

Meridian coordinates are the imaginary vertical lines on Earth—also called lines of longitude—that run from the North Pole to the South Pole. They are used alongside latitude to create a global address system, allowing anyone to pinpoint an absolute location on the planet's surface. Unlike parallels of latitude, meridians are not parallel; they are widest at the equator and converge until they meet at the poles. Key Components of Meridian Coordinates

At the exact opposite side of the world from the Prime Meridian (180° longitude) lies the International Date Line, where the calendar day officially changes. How Meridian Coordinates are Measured meridian coordinates

1. LI-4 (Large Intestine 4) – "Union Valley"

• Coordinate: On the dorsum of the hand, between the 1st and 2nd metacarpal bones, at the midpoint of the 2nd metacarpal bone on the radial side.
• Location trick: Press your thumb into the webbing of your other hand. Squeeze the muscle. The highest point of the bulge is LI-4.
• Use: Headaches, toothaches, facial paralysis.
• Contraindication: NEVER use during pregnancy (induces labor).

, the silver sea faded back to blue. The "ghost" of the 180th had passed. Kaelen exhaled, finally understanding that coordinates weren't just dots on a map—they were the invisible anchors that held the world together. Meridian coordinates are the imaginary vertical lines on

While it sounds like a dusty topic from a 19th-century classroom, meridian coordinates are the backbone of modern technology. Precision GPS: Coordinate: On the dorsum of the hand, between

East of Greenwich: Coordinates are measured from 0° to 180° East.