Dates of the beginning and end of polar night and polar day at a given latitude
This online calculator calculates the start and end dates of polar night and polar day at a given latitude. The latitude of the observation site must be north of the north polar circle or south of the south polar circle.
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°
′
″
The start of polar day
The end of polar day
The start of polar night
The end of polar night
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PLANETCALC, Dates of the beginning and end of polar night and polar day at a given latitude
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