The longest solar term at night

On the winter solstice, the direct position of the sun on the ground reaches the southernmost point of the year and almost directly reaches the Tropic of Capricorn (23 26' south latitude). On this day, the northern hemisphere gets the least sunshine, 50% less than the southern hemisphere. The days in the northern hemisphere are the shortest, and the farther north they are, the shorter they are. Such as the southernmost island in China-(2 33? ) This day is 1 1 hour 59 minutes, our neighbors are1hour 12 minutes, and there are Heilongjiang Province and County (52 58 north latitude? ) Only 7 hours and 34 minutes.

Details are as follows:

1, definition

Winter solstice (English: winter? Solstice), also known as "Winter Festival" and "Happy Winter", is one of the twenty-four solar terms in China and one of the eight astronomical solar terms, which is opposite to summer solstice. The winter solstice begins when the sun reaches 270 degrees of the yellow meridian, which is about 65438+February 22 of the Gregorian calendar every year. According to legend, the solstice in winter is the New Year's Day of the Zhou Dynasty in history, and it was once a very lively day. On the winter solstice, the direct position of the sun on the ground reaches the southernmost point of the year and almost directly reaches the Tropic of Capricorn (23 26' south latitude). On this day, the northern hemisphere gets the least sunshine, 50% less than the southern hemisphere.

Step 2 introduce

Winter solstice (English: winter? Solstice), also known as "Winter Festival" and "Happy Winter", is one of the twenty-four solar terms in China and one of the eight astronomical solar terms, which is opposite to summer solstice. The winter solstice begins when the sun reaches 270 degrees of the yellow meridian, which is about 65438+February 22 of the Gregorian calendar every year. According to legend, the solstice in winter is the New Year's Day of the Zhou Dynasty in history, and it was once a very lively day.

3. Solar term time

Ordinary date

The winter solstice usually falls on the Gregorian calendar 65438+February 2 1 or 65438+February 22. Because the winter solstice is not fixed on a certain day, it is called "live festival" like Tomb-Sweeping Day.