What does the autumnal equinox mean?
On the day of the autumnal equinox, the sun shines almost directly on the equator of the earth, and the length of day and night is equal all over the world. In addition to sharing day and night equally, there is also a meaning of sharing equally. After the autumnal equinox, the position of direct sunlight moves south, and the days in the northern hemisphere become shorter, the nights become longer, the temperature difference between day and night increases, and the temperature drops day by day.
What date is the autumnal equinox? Year 202 1.
The autumnal equinox time of 202 1: 03: 20: 55 on September 23rd, August1on the lunar calendar, and Thursday on October 7th.
What is the next solar term of the autumnal equinox?
Cold Dew
Cold dew is the seventeenth solar term in the twenty-four solar terms of the lunar calendar, belonging to the fifth solar term in autumn, which indicates the official start of the autumn season. "Twenty-four solar terms" said: "In September, the dew is cold and will condense." Cold dew means that the temperature is lower than that of the white dew, and the dew on the ground is colder and will soon condense into frost. In the cold dew season, Nanling and the vast area to the north have entered autumn, the northeast has entered late autumn, and the northwest has entered winter or is about to enter winter.
Is the autumn equinox the beginning of autumn?
The autumnal equinox is the16th solar term among the 24 solar terms of the lunar calendar, usually on September 22nd or 23rd every year. The climate in the south began to decline from this solar term. First, the sun reaches 180 degrees on this day, pointing directly at the equator of the earth, so a day is divided into 24 hours, each 12 hours; There is no extreme day and night phenomenon in the world. After the autumnal equinox, the polar night range near the North Pole and the polar sun range near the South Pole gradually expanded.
Beginning of autumn is the 13 solar term among the 24 solar terms, and beginning of autumn is on the 7th, 8th or 9th of August every year. "Autumn" means that summer is cool, which means the beginning of autumn. When you arrive in beginning of autumn, the plane tree will definitely begin to shed its leaves, which is why there is an idiom "When you lose a leaf, you will know autumn". Literally, the word "autumn" consists of "valley" and "fire", indicating the maturity of five grains. Beginning of autumn is the first solar term in autumn, and autumn is a transitional season from hot to cold, and then from cold to cold.