Traditional Culture Encyclopedia - The 24 Solar Terms - Is the winter solstice the longest day of the year in China?
Is the winter solstice the longest day of the year in China?
On the solstice of winter, the sun shines directly on the tropic of Capricorn. The winter solstice is also the shortest and longest day in a year in the northern hemisphere (north of the Tropic of Cancer). The arctic circle is in a state of permanent night, and the Antarctic circle is in a state of extreme day. From winter to the future, the position of direct sunlight began to move northward, the daytime hours in the northern hemisphere increased day by day, the sun height increased day by day at noon, and the sun shadow gradually shortened.
Extended data:
In ancient times, people's understanding of solstice winter was:
When the cathode arrives, the yang begins to grow, the sun faces south, the days are short and the shadows are long, so it is called "winter solstice". As early as 2,500 years ago,
During the Spring and Autumn Period, China observed the sun with soil gauge to determine the winter solstice, which was the earliest of the 24 solar terms.
According to astronomical science, contrary to the summer solstice, when the sun shines directly on the tropic of Capricorn (also known as the winter solstice daily line), it is the most daytime in the northern hemisphere.
The shortest and longest day in the dark.
Among the major countries or regions with Chinese as the main body, the Macao Special Administrative Region is the only region that has designated winter solstice as a national public holiday. Kinmen county, under the jurisdiction of the government of the Republic of China, also implements the system of public holidays and public holidays, but Taiwan Province Island, Penghu Islands and Mazu Islands do not have holidays.
Baidu encyclopedia-winter solstice
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