What is the significance of the vernal equinox solar terms?

1, the vernal equinox is an important solar term, which not only has astronomical significance: the northern and southern hemispheres are equally divided day and night; In climate, it also has obvious characteristics.

2. During the vernal equinox, China has entered a beautiful spring scenery except the Qinghai-Tibet Plateau, the northeast, the northwest and the northern part of North China. On the vast land, willows are green, Fei Ying grass grows, wheat jointing and rape blossoms are fragrant.