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In temperate and sub-polar regions, four seasons based on the Gregorian calendar are generally recognized: spring, summer, autumn (fall), and winter. Ecologists often use a six-season model for temperate climate regions which are not tied to any fixed calendar dates: prevernal, vernal, estival, serotinal, autumnal, and hibernal.
The three warmest months are by definition summer, the three coldest months are winter, and the intervening gaps are spring and autumn. Meteorological spring can therefore, start on different dates in different regions. In the United States and United Kingdom, spring months are March, April, and May. [2] [3]
A semester (from 'six months') [45] or trimester (from 'three months') [46] system divides the year into three periods, typically fall, spring and summer, of between 14 and 21 weeks of instruction time (although the summer period may be less than 14 weeks). Two of these periods count as one academic year, as long as these comprise a minimum of ...
First day of spring: March 19, 2024. First day of summer: June 20, 2024. First day of fall: Sept. 22, 2024. First day of winter: Dec. 21, 2024. When does winter start in 2023?: Winter solstice ...
Washington will receive just three extra seconds of daylight on Dec. 22 than on the winter solstice, and by New Year’s Eve, the state will be enjoying an additional 4 minutes and 20 seconds of ...
Autumn, also known as fall, [1] is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September (Northern Hemisphere) or March (Southern Hemisphere). Autumn is the season when the duration of daylight becomes noticeably shorter and the temperature cools considerably.
A man walks on a bridge in the faint light of sunset in Tokyo on December 20, 2022. Residents of Japan's capital city will get nine hours and 44 minutes of daylight on winter solstice.
The modern Olympics have been held during the summer months every four years since 1896. The 2000 Summer Olympics, in Sydney, were held in spring and the 2016 Summer Olympics, in Rio de Janeiro, were held in winter. In the United States, many television shows made for children are released during the summer, as children are off school.