What are the solar terms in the vernal equinox of 202 1? What are the proverbs about solar terms?

The vernal equinox is a solar term in spring, and the weather shows signs of warming up at the vernal equinox, but some people are not very clear about the vernal equinox. So what is the vernal equinox solar term of 202 1? What proverbs are there about the vernal equinox and solar terms?

What are the solar terms of 202 1 vernal equinox?

Equinox, equal day and night

Agricultural proverbs say that the vernal equinox and the autumnal equinox are equally divided day and night. On the vernal equinox and solar terms, day and night are 12 hours respectively. This point is also recorded in the lunar calendar: the bucket refers to the vernal equinox, which is about Sunday, and the northern and southern hemispheres are equally divided day and night, which is also half of spring, so it is named vernal equinox.

Equinox, divide spring equally

The ancients divided the period of beginning of spring and Long Summer into spring, which lasted for 90 days, and the vernal equinox was just after the three festivals of beginning of spring, Rain and Scaring. Each solar term is exactly 15 days, and the three solar terms are exactly 45 days, which is exactly half of the spring, so the vernal equinox also means dividing the spring equally.

The vernal equinox separates cold from warmth.

During the vernal equinox, except for the alpine mountains and the latitude of 45? Outside the northern region, the average daily temperature in China has steadily increased to above 0℃. At this time, the cold has passed and the temperature has risen rapidly, especially in North China and Huanghuai Plain. The daily average temperature rises to above 10℃ almost at the same time as the rainy areas along the Yangtze River and the south of the Yangtze River, entering a bright spring.