
The polar circle in Finland, 1975.

The polar circle in Norway at
Saltfjellet mountain plateau
A 'polar circle' is either the
Arctic Circle or the
Antarctic Circle. On
earth, the Arctic Circle is located at a
latitude of 66Ëš 33' 38" N, and the Antarctic circle is located at a latitude of 66Ëš 33' 38" S. Areas between each polar circle and its associated pole (
north pole, or
south pole), known geographically as the
frigid zones, will annually experience at least one 24 hour period when the sun is continuously above the
horizon and at least one 24 hour period when the sun is continuously below the horizon.
See also
★
Polar region
★
Arctic
★
Antarctica
★
Frigid Zones
★
Polar climate