The Arctic Circle is an imaginary line that circles the globe at
approximately 66° 34' N and marks the latitude above which the sun does
not set on the summer solstice, and does not rise on the winter
solstice.

=== Original Data Source ===
Arctic Circle (66° 34' North)

Arctic Circle.

Citation:
Generated by QGreenland based on the definition of the Arctic
Circle given by
https://nsidc.org/cryosphere/arctic-meteorology/arctic.html

Citation URL:
https://nsidc.org/cryosphere/arctic-meteorology/arctic.html