When is early autumn on August 8?
Beginning of autumn is calculated according to the position of the sun. Usually when the longitude of the sun reaches 135, it is beginning of autumn. First, determine the year to be calculated. Calculate the ecliptic according to the corresponding formula. The solar ecliptic refers to the position of the sun relative to the ecliptic, which changes every day, so it needs to be calculated and calibrated.
The first day of the first lunar month is 65438+20231October 22nd, and the first lunar month is a day. Beginning of autumn is 15 solar terms, and the date difference of 15 solar terms is 15 days or 16 days. Beginning of autumn in 2022 is August 7th, so beginning of autumn in 2023 should be15th day after August 7th, that is, August 22nd or August 23rd.
According to the lunar calendar, the first day of the first month is 65438+1October 22nd, and August should have 29 or 30 days. Therefore, between August 22nd and August 23rd, the date corresponding to the lunar calendar should be August 8th, the date of beginning of autumn in 2023. Therefore, it can be accurately concluded that the start date of the autumn solar term in 2023 is August 8.
Beginning of autumn custom:
1, weighing water
In the past, people filled containers of the same size with water before and after beginning of autumn and weighed them. If there is more water in front of beginning of autumn, it means there is more water, so there will be less rain in autumn; If there is a lot of water behind beginning of autumn, there will be more rain in autumn, which may lead to autumn waterlogging. Fishermen also have the habit of calling water in beginning of autumn, and guess the fluctuation of autumn water according to the water quality.
2, gnawing autumn
"Eating autumn" is also called "biting autumn" in some places. Tianjin pays attention to eating watermelon or cantaloupe in beginning of autumn, which is called "biting autumn", which means that it is hot in summer, and you will take a bite when you arrive in beginning of autumn.
3. Paste autumn fertilizer
People generally weigh themselves in early autumn and compare them with those in long summer. Because people will lose a little weight in summer, which is called "bitter summer". With the autumn wind, I have a big appetite and want to eat something good to make up for the loss in summer.