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The periods of total light and dark vary, depending on the location on the Antarctic continent.

At South Pole (90°S, 0°E), there is one sunrise and one sunset per year. This means about six months of sunlight and six months of no sunlight.


Further north, for example, at McMurdo Station (77°51'S, 166°40'E), the periods of no sunrise and no sunset last about four months.


South of the Antarctic circle (66° 33′ 39″S), there is at least one day without a sunrise and one day without a sunset, and depending on how far south, the number of days and nights involved will vary.


North of the Antarctic circle, there is always at least one sunrise and one sunset for each 24-hour period, until the latitude of the Arctic circle (66° 33′ 39″N), where the examples are duplicated, except in reverse, to the North Pole (90°N, 0°E).

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14y ago
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9y ago

Everywhere south of the Antarctic Circle experiences at least one 24-hour period of complete darkness or daylight. At the South Pole, this period is six months.

This phenomenon is caused by the tilt of the earth toward and away from the sun as the earth orbits around the sun.

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Q: What are Antarctica's or the South Pole's periods of total light and darkness?
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