Another name for the twenty-four solar terms.

1, beginning of spring, otherwise known as the first spring.

Beginning of spring is the first of the 24 solar terms, and silver moon and beginning of spring are the first in a year. It means to begin to enter the spring, "yang and thorns, everything is spring." In early spring, everything is full of vitality, and the four seasons begin from now on.

2, the vernal equinox, not called mid-spring.

At the vernal equinox, the direct point of the sun is on the equator, and then the direct point of the sun continues to move northward, so the vernal equinox is also called the "ascending equinox". In ancient times, it was also called "Japan-China", "Day and Night" and "Mid-spring Moon". 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, but also has obvious characteristics in climate.

3, long summer, don't call it early summer.

Long summer is the seventh of the 24 solar terms and the first solar term in summer, which indicates the official start of summer. The bucket refers to the southeast, and the dimension is long in summer. Everything has grown to this day, hence the name Long Summer. The "constant gas method" takes the long summer solar term when the sun reaches 45 degrees of the yellow meridian. The ancients paid great attention to the etiquette and customs of "Long Summer". In the past, people held a "welcoming summer" ceremony in the long summer to express their prayers and good wishes for a bumper harvest.

4. Great cold, another name is La Dong.

The Great Cold is the last of the 24 solar terms. Fighting refers to ugliness; The longitude of the sun is 300; Gregorian calendar 65438+1October 20th -2 1. Like slight cold, great cold is also a solar term indicating the degree of cold weather. In some parts of China, severe cold is not as cold as slight cold, but in some years and a few coastal areas, the lowest temperature in the whole year will still appear in the severe cold solar terms. Slight cold and severe cold are the periods with the least rainfall in a year.