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Summer is defined as the quarter of the year with the greatest insolation and winter as the quarter with the least. The solar seasons change at the cross-quarter days, which are about 3–4 weeks earlier than the meteorological seasons and 6–7 weeks earlier than seasons starting at equinoxes and solstices.
From January to February or March is the Winter break or Lunar New Year break. Summer break is normally from July to the end of August. In Northern China, the winter break is longer and the summer break is shorter; the opposite applies in Southern China. There are some casual holiday breaks: New year holiday: from 1 Jan. to 3 Jan.
The Latinate names estival solstice (summer) and hibernal solstice (winter) are sometimes used to the same effect, [17] as are midsummer and midwinter. June solstice and December solstice refer to the months of year in which they take place, [ 18 ] with no ambiguity as to which hemisphere is the context.
The willow warblers follow this cycle to maximize reproduction in the spring/summer as well as increasing available resources in the fall/winter. Gwinner observed that even through a lack of environmental cues for migration, the willow warblers followed precise schedules attributed to their circannual rhythm.
In summer, the temperature is between 25 °C and 30 °C, while in winter the temperature is between 20 °C and 30 °C, but still stays above an 18 °C mean. [18] The annual precipitation is between 700 and 1000 mm. The driest months are generally in the winter and they have less than 60 mm of rainfall (often much less). [19]
That can only mean one thing: The winter solstice is coming. The first day of winter for the northern hemisphere of Earth will begin on Dec. 21 at approximately 4:21 a.m., according to the Farmers ...
Tekufat Tammuz, the summer solstice, when the sun enters Cancer; this is the summer season, or et ha-katsir (harvest-time), when the day is the longest in the year. Tekufat Tishrei, the autumnal equinox, when the sun enters Libra, and autumn, or "et ha-batsir" (vintage-time), begins, and when the day again equals the night.
At 4:20 a.m. ET, the solstice will take place, marking "the beginning of winter in the Northern Hemisphere and summer in the Southern Hemisphere," according to NASA.