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June 22:June Solstice - This is the first day of summer (summer solstice) in the Northern Hemisphere and the first day of winter (winter solstice) in the Southern Hemisphere. September 23: September Equinox - This is also the first day of fall (autumnal equinox) in the Northern Hemisphere and the first day of spring (vernal equinox) in the ...
The seasons (with the transition points of the June solstice, September equinox, December solstice, and March equinox) and Earth's orbit characteristics. For an observer at the North Pole, the Sun reaches the highest position in the sky once a year in June. The day this occurs is called the June solstice day.
Systematically observing the sunrise, people discovered that it occurs between two extreme locations at the horizon and eventually noted the midpoint between the two. Later it was realized that this happens on a day when the duration of the day and the night are practically equal and the word "equinox" comes from Latin aequus, meaning "equal", and nox, meaning "night".
Based on the astronomical definition, winter begins at the winter solstice, which in 2015 occurred late on December 21, and ends at the March equinox, which in 2016 occurred on March 20. [1] Based on the meteorological definition, the first day of winter is December 1 and the last day February 29. [2]
In its apparent motion on the day of an equinox, the Sun's disk crosses the Earth's horizon directly to the east at sunrise; and again, some 12 hours later, directly to the west at sunset. The March equinox, like all equinoxes, is characterized by having an almost exactly equal amount of daylight and night across most latitudes on Earth. [14]
It is believed that the site was used as an ancient calendar. At the times of the two equinoxes, the sun's rays would pass between two rocks, at the eastern edge of the compound. The entrance to the center opens on sunrise of the summer solstice. Other notches in the walls indicate the spring and fall equinoxes.
Come the winter solstice the Oak King in turn vanquishes the Holly King. [81]: 137 After the spring equinox the sun begins to wax again and the Holly King slowly regains his strength until he once again defeats the Oak King at the summer solstice. The two are ultimately seen as essential parts of a whole, light and dark aspects of the male God ...
The seasons with the transition points of the June solstice, September equinox, December solstice, and March equinox. The winter solstice, also called the hibernal solstice, occurs when either of Earth's poles reaches its maximum tilt away from the Sun. This happens twice yearly, once in each hemisphere (Northern and Southern).