Why do you want to lay eggs at the vernal equinox? Method of laying eggs at vernal equinox

As the saying goes, "When the vernal equinox arrives, all the eggs look good". It is said that our ancestors celebrated the vernal equinox thousands of years ago.

According to experience, it should be "the spring equinox lays eggs vertically": the surface of eggs is actually uneven, with many protruding "hills". The height of the "hills" is about 0.03 mm, and the distance between peaks is 0.5 mm to 0.8 mm. According to the principle of determining a plane by three points, as long as three suitable "hills" are found, the eggs can be erected.

The vernal equinox is the midpoint of 90 days in spring. One of the 24 solar terms, around March 20 of the Gregorian calendar every year, when the sun is located at 0 (vernal equinox) of the yellow meridian. On the vernal equinox, the sun shines directly at the equator of the earth, and the seasons in the northern and southern hemispheres are opposite. The northern hemisphere is the vernal equinox and the southern hemisphere is the autumnal equinox. The vernal equinox is a new year in Iran, Turkey, Afghanistan, Uzbekistan and other countries, with a history of 3,000 years.