109th meridian east

The 109th meridian east is a line of longitude that is 109 degrees east of the Prime Meridian, which is designated as 0 degrees longitude. It runs from the North Pole to the South Pole and passes through several countries, including Mongolia, China, India, and various nations in Southeast Asia. In the context of geography, the 109th meridian east is used as a reference point for navigation, mapping, and geographic information systems.