A polar circle is either the Arctic Circle or the Antarctic Circle. On earth, the Arctic Circle is located at a latitude of 66˚ 33' N, and the Antarctic circle is located at a latitude of 66˚ 33' S. Areas between each polar circle and its associated pole (north pole, or south pole) 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 horizion.

See also

• Antarctica
• Napapiiri (A Finnish word which means polar circle)

Climate

Cercle polar | Severní polární kruh | Polarkreis | Severní polární kruh | Αρκτικός Κύκλος | Arkta Cirklo | Círculo polar ártico | Napapiiri | Cercle polaire | Poolcirkel | Polarsirkel | Nordlige polarsirkel | Koło podbiegunowe | Полярный круг | Polcirkel | Ceke polaire artike | 北極圈