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It is a general indicator of cloudiness of a location, and thus differs from insolation, which measures the total energy delivered by sunlight over a given period. Sunshine duration is usually expressed in hours per year, or in (average) hours per day.
World map showing the areas of Earth receiving daylight around 13:00 UTC in April. Daylight is the combination of all direct and indirect sunlight during the daytime.This includes direct sunlight, diffuse sky radiation, and (often) both of these reflected by Earth and terrestrial objects, like landforms and buildings.
The sunniest month in the world is December in Eastern Antarctica, with almost 23 hours of bright sun daily. [ 7 ] Conversely, higher latitudes (above 50° north/south) lying in stormy westerlies have much cloudier and more unstable and rainy weather, and often have the lowest values of sunshine duration annually.
A man runs up a hill on a small road in Frankfurt, Germany as the sun rises on Friday, June 17, 2022. (AP Photo/Michael Probst) It's time to break out the sunglasses as humanity is about to have ...
Observed DST during World War II from 1942 to 1945 as a part of the Bengal Presidency of India. Also observed in 2009. Barbados: 1980: Observed DST from 1977 to 1980. Belarus: 2010: Observed DST in 1941–1944, 1981–2010. Belgium: Observed DST in 1916–1940, 1942–1946 and since 1977. Belize: 1983: Observed DST in 1973–1974 and 1982 ...
Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light. On Earth, sunlight is scattered and filtered through Earth's atmosphere as daylight when the Sun is above the horizon.
Now that the sun is at the height of its 11-year cycle, the increase in solar activity has more frequently fueled "space weather" that produces the right conditions for northern lights to flourish.
Sun path, sometimes also called day arc, refers to the daily (sunrise to sunset) and seasonal arc-like path that the Sun appears to follow across the sky as the Earth rotates and orbits the Sun. The Sun's path affects the length of daytime experienced and amount of daylight received along a certain latitude during a given season.