Longitude ((install)): Meridian

: The Prime Meridian and the International Date Line together divide the Earth into the Eastern Hemisphere and the Western Hemisphere.

By providing a comprehensive overview of meridian longitude, we hope to have equipped you with a deeper understanding of this essential geographic concept. meridian longitude

In standard geospatial, astronomical, and navigational contexts: : The Prime Meridian and the International Date

For every 15° you travel west of Greenwich, the local clock falls back by one hour (-1 UTC). The International Date Line meridian longitude