What do the vernal equinox and beginning of spring mean?

1. beginning of spring is the first of the 24 solar terms and one of the important traditional festivals of the Han nationality. "Li" means "start". Since the Qin Dynasty, China has always regarded beginning of spring as the beginning of spring.

On this day in beginning of spring, "the sun and thorns are in harmony, and everything is spring". After beginning of spring, everything is full of vitality, and all the seasons have begun. There is an old legend that when spring comes, county officials will dig a hole in the land with local celebrities, and then put feathers, chicken feathers and other light materials into the hole.

At a certain time, the feathers and chicken feathers in the pit will float up from the pit. This time is the beginning of spring, and people will set off firecrackers to celebrate. I hope the weather will be good and the harvest will be good next year.

Second, the vernal equinox is the midpoint of 90 days in spring. One of the 24 solar terms, the vernal equinox is the day when the sun shines directly on the equator of the earth, and the seasons in the northern hemisphere are opposite. The northern hemisphere is the vernal equinox and the southern hemisphere is the autumnal equinox.

On the vernal equinox, the sun shines directly at the equator, and day and night are almost equal. Then the direct sunlight position gradually moved northward, and the days were long and the nights were short. 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.

On the occasion of 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.

Extended data

Solar terms refer to the twenty-four solar terms, which is a supplementary calendar formulated by China in ancient times to guide farming, and is the crystallization of the long-term experience and wisdom of the working people of the Chinese nation.

Since China was an agricultural society in ancient times, agriculture needed to have a strict understanding of the operation of the sun, and farming was carried out entirely according to the sun. Therefore, the "twenty-four solar terms" that reflect the solar cycle alone are added to the calendar as the standard for determining leap months.

24 solar terms is: beginning of spring, Rain, Sting, Equinox, Qingming, Grain Rain, Changxia, Xiaoman? , Miscanthus, Summer Solstice, Little Summer, Big Summer, beginning of autumn, Chushu, Millennium, Autumnal Equinox, Cold Dew, First Frost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Severe Cold.