Definition of the Arctic Circle

Answer 1

The line of Latitude that is 66.33 degrees North of the Equator. It is the point at which the sun does not set at Midsummer or rise above the horizon at Midwinter.
The Arctic Circle is the parallel of latitude at 66º 33' north of the Equator.

This is the most northerly point at which the Sun is visible during the northern winter solstice, and the most southerly point at which the sun can be seen at midnight on the northern summer solstice

Answer 2

The Arctic Circle is a line of latitude at 66º 33' north of the Equator.

This marks the most northerly locations at which the Sun can be seen at the northern Winter solstice, and the most southerly locations at which the midnight sun can be seen at the northern Summer solstice.

Answer 3

The Arctic Circle is one of the five major circles of latitude that mark maps of the Earth. In 2012, it is the parallel of latitude that runs 66° 33′ 44″ (or 66.5622°) north of the Equator.

Answer 4

The Arctic Circle is one of the five major circles of latitude that mark maps of the Earth. In 2012, it is the parallel of latitude that runs 66° 33′ 44″ (or 66.5622°) north of the Equator.