Is the date of the winter solstice fixed? When is the Winter Solstice in 2021?
When is the Winter Solstice? It has become a topic of great concern to everyone. So, let’s take a look at whether the date of the Winter Solstice is fixed. "The coldest months of the year" refers to the three coldest months before the New Year. The coldest month is October, the winter month is November, and the twelfth month is December. What should we pay attention to in our daily lives? This winter, Mr. Shui Mo will accompany you through the eleventh month of the lunar calendar in 2021.Is the date of the winter solstice fixed?No, the time of the winter solstice is not fixed.The winter solstice is the 22nd solar term of the 24 solar terms. The Big Dipper points to Zi, and the sun's ecliptic longitude reaches 270°. It falls on December 21-23 of the Gregorian calendar every year. The winter solstice is the extreme point of the sun's direct southward movement. On this day, sunlight directly hits the Tropic of Capricorn. The sunlight is most inclined to the Northern Hemisphere, and the sun's altitude angle is the smallest. It is the day with the shortest daylight and the longest night in all parts of the Northern Hemisphere. Therefore, the time of the winter solstice is not fixed every year. When is the Winter Solstice in 2021?The time of the winter solstice in 2021 is:December 21, 2021, Tuesday, Sagittarius (solar calendar); November 18, 2021, lunar calendar (lunar calendar) The winter solstice marks the arrival of the cold winter. At the winter solstice, the sun's ecliptic longitude is 270°. On the day of the winter solstice, the sunlight almost directly hits the Tropic of Capricorn. The days in our northern hemisphere are the shortest and the nights are the longest, and the coldest days of winter begin. Astronomical definition states that this day marks the beginning of winter in the Northern Hemisphere. After the winter solstice, the position of direct sunlight gradually moves northward, and the days in the northern hemisphere gradually become longer. As the saying goes: After eating winter solstice noodles, the day will be longer by a thread. |
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