Traditional Culture Encyclopedia - The 24 Solar Terms - Since when do the days get shorter and the nights get longer?
Since when do the days get shorter and the nights get longer?
Summer solstice is the tenth of the twenty-four solar terms, which starts on June 2 1 (or 22) and ends on July 7 (or 8) every year. On the solstice of summer, the day is the longest (the night is the shortest) in all parts of the northern hemisphere. The farther north, the longer the day and the shorter the night. Until the Arctic Circle, the day becomes 24 hours.
"The sun is getting hotter and hotter, and kuya is cloudy in midsummer." The solstice in summer is the season when the spirit of the sun reaches its peak. On the solstice of summer, the sun's spirit is extremely strong, and when it reaches its peak, it will decline, and Yin will grow from this day.
After the summer solstice, the position of the direct sunlight on the ground gradually moved southward, and the days in the northern hemisphere began to shorten day by day. For the Tropic of Cancer and its northern area, after the summer solstice, the height of the noon sun will also decrease day by day. There is a folk proverb that "eating noodles on the solstice in summer will shorten the day".
Extended data
Summer solstice, also known as summer season and summer solstice festival, is the 10 solar term among the 24 solar terms. Fighting means noon; The yellow meridian of the sun is 90 degrees; Gregorian calendar June 2 1-22. The summer solstice is the culmination of the sun's northward movement. On this day, the sun shines directly on the Tropic of Cancer, and then the point of direct sunlight moves south.
On the day of summer solstice, the height of the noon sun is the highest in all parts of the northern hemisphere north of the Tropic of Cancer, and the daytime reaches the longest in a year. After the summer solstice, the height of the sun decreases day by day. However, for places south of the Tropic of Cancer in the northern hemisphere, sunshine is still increasing after the summer solstice.
China News Network-June 2 1 18: 07 "Summer Solstice": The days are long and the nights are short, starting from cloudy days.
Baidu encyclopedia-summer solstice
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