What is the meaning of the vernal equinox of the 24 solar terms?

Day and night are equinoxized.

The vernal equinox is one of the 24 solar terms and the fourth solar term of spring. Dou Zhi Mao, the yellow longitude of the sun reaches 0 °, and it is intersected on March 19-22 of the Gregorian calendar every year. The vernal equinox is of astronomical significance, as the day of the equinox equinox is equinoxical in the northern and southern hemispheres, and since this day the position of the sun continues to move from the equator to the northern hemisphere, and the days begin to be longer than the night in the northern hemisphere.

After the vernal equinox, the climate is mild, with abundant rain and sunny sunshine. During the spring equinox, Chinese folk have customs such as flying kites, eating spring vegetables, and standing eggs.

The vernal equinox is one of the twenty-four solar terms, on which the sun shines directly on the Earth's equator, with the seasons opposite in the northern and southern hemispheres. The spring equinox also indicates that winter is about to pass, and the weather will gradually warm up when spring returns to the earth. So, do you know what the vernal equinox of the 24 solar terms means?

Let's take a look!

The vernal equinox is one of the 24 solar terms, in ancient times, it was also called "the middle of the day", "the equinox of day and night", "the moon of mid-spring", around March 21 (20th and 22nd) of each year, the lunar calendar date is not fixed, when the sun reaches the vernal equinox 0° of the yellow longitude.

According to the "Seventy-two Candidate Explanations of the Lunar Order": "In the middle of February, half of the divider is also, and this should be half of the ninety days, so it is called the divide." Another "Spring and Autumn Dew, Yin and Yang in and Out of the Upper and Lower Chapters" said:

In the spring equinox, yin and yang are half of each other, so the day and night are even, and the cold and heat are flat. There is a "History of the Ming Dynasty: Calendar I" said: "The divider, the point where the yellow and red intersect, the sun travels here, it is the equivalence of day and night."

Therefore, the meaning of the vernal equinox is that the time of day and night are equally equinoxed, each of which is 12 hours; The second is that in ancient times, the beginning of spring to the beginning of summer was spring, and the spring equinox was in the three months of spring, and the spring was equally divided.

In ancient China, the vernal equinox was divided into three phases: "one is the arrival of the first bird; The second is to wait for Lei Nai to speak; Three waiting for the start of the call. That is, after the vernal equinox, the swallows will come from the south, and when it rains, the sky will thunder and lightning.

The vernal equinox is recorded in the ancient Chinese calendar as follows: "Three days before the vernal equinox, the sun enters the equator".

Climatic characteristics of the vernal equinox.

The vernal equinox is the 4th of the 24 solar terms and the 4th of the 6 solar terms of spring. The vernal equinox begins on March 20 (or 21) and ends on April 4 (or 5) each year. Vernal equinox, douzhi mao position (due east direction).

Every year on March 20 or 21 of the Gregorian calendar, the sun begins when it reaches 0 degrees of yellow longitude (vernal equinox). The average length of day and night on this day is half of the ninety days of spring, so it is called "spring equinox". In ancient times, it was also called "the middle of the day", "the equinox of day and night", and "the moon of mid-spring".

The meaning of the vernal equinox is that the time of day is equal to the day and night, each of which is 12 hours; The second is that in ancient times, the beginning of spring to the beginning of summer was spring, and the spring equinox was in the three months of spring, and the spring was equally divided. On the day of the vernal equinox, the sun shines directly on the equator, and the day and night are almost equal, after which the position of direct sunlight gradually moves northward, and the days are longer and the nights shorter. The vernal equinox is one of the more important solar terms, and it has more than just astronomical significance

dichonox in the northern and southern hemispheres; In the climate, there are also more obvious characteristics, in the spring equinox season, our country except the Qinghai-Tibet Plateau, the northeast, the northwest and the northern part of North China are into the bright spring, in the vast land, the willows are green, the warbler flies and the grass grows, the wheat joints, the rape flowers are fragrant.

The vernal equinox is a period when yin and yang are balanced in the four seasons of the year, day and night are equal, and the cold and temperature are half. The common people say that "the spring equinox, the spring equinox, the day and night are equinoxical" is this truth.

During the spring equinox, the temperature in the north and south of our country has risen above zero, and all things have entered the spring stage.

The meaning of the vernal equinox solar term is the equinox of the seasons and the equinox of day and night.

The vernal equinox is the fourth of the 24 solar terms and is an important time for farming. The sun shines directly on the Earth's equator, and day and night are almost equal. In ancient times, the beginning of spring to the beginning of summer was spring, and the spring equinox was in the middle of the three months of spring.

The sun reaches 0 degrees of ecliptic longitude and intersects on March 19 and 22 of the Gregorian calendar every year. "The vernal equinox, yin and yang are half and half. Therefore, the day and night are even, and the cold and heat are even".

It is recorded in the lunar book that "Douzhiren is the spring equinox, about the week, the day and night in the northern and southern hemispheres are evenly divided, and it is half of spring, so it is called the spring equinox." "From this day on, the direct position of the sun gradually shifts northward, and the length of day and night in the northern and southern hemispheres also changes, with the northern hemisphere having short days and short nights and the southern hemisphere doing the opposite.

As soon as the vernal equinox arrives, the rain increases significantly, and the average ground temperature in China has stabilized at more than 10 degrees, which is the climatological definition of spring temperature. After the spring equinox, the climate is mild, the rain is abundant, and the sun is shining, and the wintering crops in most parts of China enter the spring growth stage, which is also the sowing period of early rice.

Vernal equinox customs

1. Eat spring vegetables.

"Spring cabbage" is a kind of wild amaranth, and the villagers call it "spring artemisia". On the day of the spring equinox, the whole village goes to pick spring vegetables. When searching in the fields, it is often seen that it is tender green, and the trees are thin, about the length of a palm.

The spring vegetables collected are generally "boiling soup" with fish fillets at home, and the name is "spring soup". You slipped and said: "Spring soup is filled with dirt and liver sausages are washed."

The whole family is safe and healthy. ”

2. Send spring cattle.

The spring equinox is coming, and there will be a door-to-door delivery of spring oxen. The picture is to print the two open red paper or yellow paper on the lunar solar terms of the whole year, and also print the pattern of the farmer plowing the field, which is called the "spring cow map". The people who send the picture are some folk good words and singers, mainly say some spring ploughing and auspicious words that do not violate the agricultural time, and each family is more improvised, what to say, say that the owner is happy and give money.

3. Sticky finch beak.

On the day of the spring equinox, the peasants have a holiday according to the custom, and each family has to eat the soup yuan, and also boil more than ten or twenty or thirty soup yuan that does not need to be made by wrapping the heart, and use a thin bamboo fork to put it on the edge of the outdoor field, which is called sticking the bird's mouth, so as not to destroy the crops from the bird.

1. The meaning of the 24 solar terms and the spring equinox is almost equal to day and night.

2. The vernal equinox is the fourth of the 24 solar terms, and it is an important season for farming. The sun shines directly on the Earth's equator, and day and night are almost equal. In ancient times, the beginning of spring to the beginning of summer was spring, and the spring equinox was in the middle of the three months of spring.

3. The sun reaches 0 degrees of ecliptic longitude and is intersected on March 19 and 22 of the Gregorian calendar every year. "The vernal equinox, yin and yang are half and half. Therefore, the day and night are even, and the cold and heat are even".

It is recorded in the lunar book that "Douzhiren is the spring equinox, about every week, the day and night in the north and south hemispheres are evenly divided, and it is half of the spring royal elimination, so it is called the spring equinox." "From this day on, the position of the direct sun gradually shifted to the north, and the length of day and night in the northern and southern hemispheres also changed with the light of the bridge.

The vernal equinox is the midpoint of the ninety days of spring. One of the 24 solar terms, the annual Gregorian calendar is about March 20, when the sun is located at 0° of yellow longitude (vernal equinox).

On the day of the vernal equinox, the sun shines almost directly on the Earth's equator, and the length of day and night is almost equal to that of night around the world. After the vernal equinox, the direct point of the sun begins to enter the Northern Hemisphere, and the days and nights begin to be longer and shorter in various parts of the Northern Hemisphere. The vernal equinox is a relatively important pre-solar term, and it is not only astronomical.

The day and night in the northern and southern hemispheres are equally divided, in the climate, there are also more obvious characteristics, in the spring equinox season, in addition to the Qinghai-Tibet Plateau, the northeast, the northwest and the northern part of North China, our country has entered the bright spring, in the vast land, the willows are green, the warbler flies and the grass grows, the wheat joints, and the rape flowers are fragrant.