Why is the autumnal equinox upright? What festival is this?

In the continuous development and evolution, the autumnal equinox has formed many cultures and customs, including the custom of laying eggs vertically. So why does the autumnal equinox lay eggs vertically? Why does the autumnal equinox stand up? What festival is the autumn equinox? Next, let's take a look at this issue of the old almanac!

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Why do you lay eggs at the autumnal equinox? As early as 4,000 years ago, China had a tradition of laying eggs in autumn to celebrate the arrival of autumn. The skill of laying eggs is to make the center of gravity of eggs lower than the curve position of the maximum circumference in the middle of eggs. In ancient legends, the day of the autumnal equinox is the easiest day to lay eggs. Astronomers said that according to historical records, the tradition of dividing eggs in autumn originated in China 4,000 years ago to celebrate the arrival of autumn.

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There are two main reasons why the autumnal equinox can erect eggs: first, on the autumnal equinox, the northern and southern hemispheres are equally divided day and night, the earth's axis tilted at 66.5 degrees is in relative balance with the earth's orbital plane around the sun, and the earth's magnetic field is also relatively balanced, so the eggs stand best. Secondly, the autumnal equinox is in the middle of autumn, which is neither too cold nor too hot, making people feel comfortable, quick-thinking, agile and easy to lay eggs successfully. However, some experts believe that this is a purely technical issue and has nothing to do with the autumnal equinox. Astronomical experts say that eggs can be erected on any day of the year, and a stable egg can last for more than ten days without external interference. According to astronomical experts, the autumnal equinox is the balance of time, the balance of day and night, and the stability of eggs standing is the best. There are also views that vertical eggs have nothing to do with the autumnal equinox, and they can be vertical on any day of the year. At the same time, China also has the folk custom of laying eggs on the autumnal equinox, and some places will hold interesting egg laying games or competitions on the autumnal equinox.

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What festival is the autumn equinox? The autumnal equinox, one of the traditional twenty-four solar terms, is the sixteenth of the twenty-four solar terms. The autumnal equinox is the ninetieth day of autumn, and the sun is located at the longitude 180 of the Yellow River, which means it is equally divided. After the autumnal equinox, it has basically entered the late autumn, and will begin to enter the winter solar term in the future.

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