What does the vernal equinox mean in the twelve solar terms?

Equinox: It is the midpoint of 90 days in spring. One of the 24 solar terms, around February 15 of the lunar calendar every year, the sun is at 0. On the vernal equinox, the sun shines directly on the equator of the earth, and the whole world is as long as day and night. The seasons in the northern and southern hemispheres are opposite. In the northern hemisphere, it is the vernal equinox, and in the southern hemisphere, it is the autumnal equinox. The vernal equinox is also the New Year of Iran, Turkey, Afghanistan, Uzbekistan and other countries, with a history of 3,000 years.

Vernal equinox folklore: 1, laying eggs. The vernal equinox has become the best time for laying eggs, so there is a saying that "when the vernal equinox arrives, all eggs look good" 2. Eat spring vegetables. "Spring vegetable" is a kind of wild amaranth, which villagers call "Artemisia chun". On the vernal equinox, the whole village went to pick spring vegetables. 3. Send spring cattle. The annual lunar solar terms are printed on red paper or yellow paper, and farmers' ploughing patterns are also printed, which is called "Spring Cattle Map". 4. Stick the sparrow's mouth. 5. Spring Festival. 6. worship god. 7. Sacrifice Day.