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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Articles that describe this calculator
Dates of the beginning and end of polar night and polar day at a given latitude
°
′
″
The start of polar day
May 18, 2025
The end of polar day
Jul 27, 2025
The start of polar night
Nov 28, 2025
The end of polar night
Jan 15, 2026
Calculators used by this calculator
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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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