What does the vernal equinox mean in the twenty-four solar terms? The sun will shine directly on the earth, and the seasons in the northern and southern hemispheres are opposite.

1 and the vernal equinox in 24 solar terms mean that the sun will shine directly at the equator of the earth on this day, and the seasons in the northern and southern hemispheres are opposite.

2. The vernal equinox is one of the 24 solar terms, which was also called "day", "day and night equinox" and "mid-spring moon" in ancient times. It is celebrated around March 2 1(20-22) every year, and the lunar calendar date is not fixed. At this time, the sun reached vernal equinox 0.

3. According to the 24 solar terms: "Mid-February is half a day, so it is called points." Another part in the Spring and Autumn Period, full of yin and yang, said: "The vernal equinox is half a day, so it is cold and hot." There is an article "The Book of Changes in Li Mingshi" that says: "The teacher is the friend of Huang Chi. Therefore, the significance of the vernal equinox, first, refers to the equal division of day and night, each of which is 12 hours; Second, in ancient times, it was spring from beginning of spring to long summer, and the vernal equinox happened to be in the three months of spring, and spring was equally divided.