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Polar night is a phenomenon that occurs in the northernmost and southernmost regions of Earth when the Sun remains below the horizon for more than 24 hours. This only occurs inside the polar circles. [1] The opposite phenomenon, polar day or midnight sun, occurs when the Sun remains above the horizon for more than 24 hours.
Svalbard first observed daylight saving time by moving the clock forward one hour at inconsistent times between 1943 and 1945, and 1959 and 1965. Daylight saving time was reintroduced for a final time in 1980, and since 1996 Norway has followed the European Union regarding transition dates. [ 7 ]
For instance, in Fairbanks, Alaska, which is south of the Arctic Circle, the Sun sets at 12:47 a.m. at the summer solstice. This is because Fairbanks is 51 minutes (1 hour and 51 minutes at Daylight Savings Time) ahead of its idealized time zone (as most of the state is in one time zone) and Alaska observes daylight saving time.
By contrast, the Equator experiences 12 hours of daylight, with small variations, year-round. Since Utqiaġvik is located north of the Arctic Circle, it looks away from the sun.
Miami, Florida, will have 14 hours and 9 minutes of daytime, while the sun will not set within the Arctic Circle, marking 24 hours of daylight.This is called the “Midnight Sun.”
Relationship of Earth's axial tilt (ε) to the tropical and polar circles. The Arctic Circle is the southernmost latitude in the Northern Hemisphere at which the centre of the Sun can remain continuously above or below the horizon for twenty-four hours; as a result, at least once each year at any location within the Arctic Circle the centre of the Sun is visible at local midnight, and at least ...
Places on the Arctic Circle have the longest total annual daytime, 4,647 hours, while the North Pole receives 4,575. Because of elliptic nature of the Earth's orbit, the Southern Hemisphere is not symmetrical: the Antarctic Circle, with 4,530 hours of daylight, receives five days less of sunshine than its antipodes.
My sister and I went on a cruise in the Arctic Circle. We saw polar bears and the monument of a lost expedition crew, and had 24 hours of daylight. With 24 hours of daylight, we had to 'create ...