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Arctic Circle (66° 33' 49" N)

The Arctic Circle is the approximate parallel near 66°33′ north latitude. It marks the southern limit where, under the ideal astronomical definition, at least one day each year can have 24-hour daylight and one can have 24-hour darkness.

Geographic Dimensions & Position

Exact Coordinates66.5636° N approximate cartographic reference
Circumference / LengthApproximately 15,984 km along the WGS 84 reference parallel
Scientific Significance

The astronomical circle is related to Earth’s axial tilt and shifts over time. Terrain, atmospheric refraction, and local horizon conditions can affect observed sunrise and sunset.

Countries & Territories Crossed

NorwaySwedenFinlandRussiaUnited States (Alaska)CanadaDenmark (Greenland)Iceland (Grimsey)
Frequently Asked Questions

People Also Ask About Arctic Circle (66° 33' 49" N)

High-intent geographic questions regarding coordinates, traversed nations, and planetary geometry.

QWhat are the exact coordinates of Arctic Circle (66° 33' 49" N)?

Arctic Circle (66° 33' 49" N) is positioned at 66.5636° N approximate cartographic reference relative to the WGS84 ellipsoidal reference frame.

QHow long is Arctic Circle (66° 33' 49" N) in miles and kilometers?

The total circumference / length of Arctic Circle (66° 33' 49" N) is approximately Approximately 15,984 km along the WGS 84 reference parallel.

QHow many countries does Arctic Circle (66° 33' 49" N) pass through?

Arctic Circle (66° 33' 49" N) crosses through 8 sovereign nations and territories: Norway, Sweden, Finland, Russia, United States (Alaska), Canada, Denmark (Greenland), Iceland (Grimsey).

QWhat is the scientific significance of Arctic Circle (66° 33' 49" N)?

The astronomical circle is related to Earth’s axial tilt and shifts over time. Terrain, atmospheric refraction, and local horizon conditions can affect observed sunrise and sunset.

QHow does Arctic Circle (66° 33' 49" N) divide the globe into hemispheres?

Lines of latitude parallel to the Equator define northern and southern solar declination belts across the Northern and Southern Hemispheres.

QHow do seasonal solstices and daylight hours relate to Arctic Circle (66° 33' 49" N)?

Solar elevation angles across Arctic Circle (66° 33' 49" N) govern solar culmination and seasonal daylight duration, determining tropical, temperate, or polar climatic zones.