Knowledge of vernal equinox and solar terms

1, the meaning of vernal equinox: The vernal equinox is a period in which yin and yang are balanced, day and night are equal, and cold and summer are equally divided. The so-called "vernal equinox, yin and yang are half, so it is cold and hot day and night." Therefore, since ancient times, there has been a saying in China that "the vernal equinox is not small, and it is necessary to prevent pain from disturbing deeply".

2. Prevention of vernal equinox: In early spring, when the temperature rises rapidly, it will remain low for a period of time. This weather phenomenon is called "late spring cold". So remind friends, don't think that the cold winter has passed, and you can arbitrarily reduce your clothes at the beginning of warm spring. Don't forget that February of the lunar calendar hasn't passed yet. When the temperature drops, you are most likely to catch a cold.

3. Activities of the vernal equinox:

(1) Every year at the vernal equinox, thousands of people all over the world are doing "vertical egg" experiments. Its play is simple and interesting: choose a smooth and symmetrical fresh egg that has just been born for four or five days, and gently stand it up on the table. Although there are many losers, there are also many winners. The vernal equinox has become the best time for vertical egg games, so there is a saying that when the vernal equinox arrives, the eggs will be beautiful.

(2) During the spring breeze, it is a good time for children to fly kites, and even some young people are involved to find happiness in childhood. Imagine, in a big square with clear sky, pleasant breeze and calm, it is also a unique scenery to enjoy colorful kites floating in the wind.