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  2. EASTERN AND WESTERN HEMISPHERES

Countries in both the eastern and western hemispheres

A great circle divides the Earth into the Eastern and Western Hemispheres. That circle is referenced by two Meridians.

The Prime Meridian is the line of longitude at which longitude is defined to be 0°.

All countries located to the east of the Prime Meridian (0° longitude) are in the Western Hemisphere.

The Prime Meridian intersects eight (8) countries, (shown to the left) and those countries are therefore in both the Eastern and Western Hemispheres.

They Include:

Mali, United Kingdon (UK)

The 180th Meridian, on the opposite side of the planet, is the line of longitude at which longitude is defined to be 180°.

All countries located to the east of the 180th Meridian (180° longitude) are in the Eastern Hemisphere.

The 180th Meridian directly intersects four (4) countries, and those countries are therefore in both the Eastern and Western Hemispheres.

They Include:

United States.

NOTES: The far western end of Alaska's four hemispheres.

Countries in both the Northern and Southern Hemispheres

There are twelve (12) countries located directly on the here!

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This page was last updated on November 17, 2015.