What day is September 23rd?

September 23rd is the autumnal equinox.

The autumnal equinox is the sixteenth of the twenty-four solar terms, and the time is generally from September 22nd to September 24th of the Gregorian calendar every year. On the day of the autumnal equinox, the sun reaches the longitude 180 (autumnal equinox), almost reaching the equator of the earth, and the length of day and night is equal all over the world (regardless of the refraction of the sun light by the atmosphere and the shadow in the morning).

After the autumnal equinox, the direct point of the sun continued to move from the equator to the southern hemisphere, and the days in the northern hemisphere began to shorten and the nights became longer, that is, the days in a day began to be shorter than the nights; The southern hemisphere is the opposite. Therefore, the autumnal equinox is also called the landing point. At the North Pole and South Pole, on the day of the autumn equinox, the sun is on the horizon all day.

Extended data:

Festival custom

1, eat autumn vegetables

The autumnal equinox is the official beginning of stepping on autumn. In Lingnan area, Xie's family in Cangzhen, Kaiping used to be four cities (now Heshan is five cities), and there is an unbroken custom called "eating autumn vegetables at the autumnal equinox". "Autumn vegetable" is a kind of wild amaranth, which villagers call "autumn Artemisia".

On the autumnal equinox, the whole village went to pick autumn vegetables. When searching in the wild, it is often green and thin, about the length of a palm. Picked autumn vegetables are usually boiled with fish fillets at home, which is called "autumn soup". There is a jingle: "autumn soup is dirty, wash the liver and intestines." The whole family is safe and healthy. "Since autumn, people still pray for peace and health at home.

Step 2 send autumn cattle

The autumnal equinox is coming soon, and people will send pictures of autumn cows door to door. The picture is printed with red paper or yellow paper on the lunar solar terms all the year round, and also printed with farmers' ploughing patterns, which is called "Autumn Cattle Map".

The pictures are all folk singers, who mainly say things like good luck in autumn ploughing that do not violate the farming season. Every time they go to a house, they say whatever they see until the owner is happy to give money. Although the words spoken are casual, every sentence rhymes beautifully. Commonly known as "Autumn", Qiu Ren is called "Qiu Guan".

Step 3 stick the sparrow's mouth

According to custom, farmers have a holiday on the autumn equinox. Every family should eat dumplings. Ten, twenty or thirty dumplings that don't need to be wrapped are cooked, and a thin bamboo fork is placed on the outdoor ridge beside the field, which is called sticking the sparrow's mouth without destroying crops.

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