What is the vernal equinox about?

What is the vernal equinox of spring breeze and the solstice of the sky? Thank you.

What does the vernal equinox mean? Nongli /item2/24jq04

Spring Equinox

The vernal equinox is one of the solar terms reflecting the changes of the four seasons. In ancient China, beginning of spring, Changxia, beginning of autumn and beginning of winter were used to indicate the beginning of the four seasons. The vernal equinox, summer solstice, autumn equinox and winter solstice are in the middle of each season. At the vernal equinox, the sun shines directly at the equator, and the time between day and night is equal all over the earth. Therefore, the ancient vernal equinox and autumnal equinox are also called equinoxes, and there is a folk proverb that vernal equinox and autumnal equinox are equally divided day and night.

After the vernal equinox, the overwintering crops in most parts of southern China entered the spring growth stage. In central China, there is an agricultural proverb that wheat rises at the vernal equinox and is worth a thousand dollars in an instant. The temperature in most parts of the south continues to rise, but generally it doesn't rain as fast as the vernal equinox. In late March, the average temperature in northern South China is mostly 13℃ to 15℃, and in southern South China it is mostly 15℃ to 16℃. Most of the plateau has been melted by snow, and the ten-day average temperature is about 5℃ to 10℃. Most areas in South China, such as river valleys, have the highest temperature, with an average of 18℃ to 20℃. In the south, except for the marginal mountainous areas, the average daily temperature rose steadily to above 12℃ in 1978, which is beneficial to planting crops such as rice and corn, and is also very suitable for afforestation. However, before and after the vernal equinox, there is often a strong cold air intrusion in South China, and the temperature drops obviously, as low as 5℃. Sometimes a small stream of cold air comes one after another, forming a low temperature and rainy weather that lasts for several days, which is not good for agricultural production. According to this feature, we should make full use of the weather forecast, grasp the cold tail and warm head, and sow in time.

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Spring Equinox

The vernal equinox is one of the 24 solar terms. Every year on March 20th or at 2 1 day of Gregorian calendar, the sun starts when it reaches 0 degrees of the yellow meridian (vernal equinox). It is a day with an average length of day and night, which is exactly half of the ninety days in spring, so it is called "vernal equinox". "Twenty-four solar terms": "(Summer calendar) in mid-February, divided into half, for 90 days and a half, so it is called minutes. Autumn is synonymous. " The Spring and Autumn Story of Han Dong's Zhongshu? Up and down of Yin and Yang: "As for the mid-spring moon, Yang is due east and Yin is due west, which is called the vernal equinox. The vernal equinox is half cloudy and half sunny, so it is cold and summer day and night. "The phenological phenomenon corresponding to the ancient Yellow River basin is' the birds arrive, the thunder starts, and the electricity starts' (see" Nongsang Tongzhi "). At this time, the overwintering crops in most parts of China entered the spring growth stage. A peasant proverb in central China says, "Wheat rises at the vernal equinox, which is worth a moment. "The vernal equinox is also a traditional festival. In the Zhou dynasty, there was a ceremony to worship the sun at the vernal equinox. Book of Rites: "Altar. Kong Ying Da Shu: "It is also called the vernal equinox." . "This custom has been passed down from generation to generation. Pan Qingrong won Ji Sheng at the age of Emperor Jing: "The vernal equinox and autumn are a grand ceremony of the country, and scholars should not worship it. "Around the vernal equinox in the Qing Dynasty, ministers in the palace paid homage to ancestral temples, and aristocratic families also paid homage to ancestral temples every day. The Chronicle of Jingchu in Liang Zonggu of the Southern Dynasties records: "On the day of the vernal equinox, people planted fire-fighting grass on their houses. If there are birds such as blackbirds, the chickens crow first, and the people wait for the bird to enter the stadium, thinking that they will wait. "In the Ming Dynasty, Zichuan, Shandong planted trees to brew spring wine, which was cool and cool." "Wenshui County Records" contains: "On the vernal equinox, the wine is cold and the flowers move. "

What rains in the spring breeze?

What does the vernal equinox mean? The vernal equinox means equal division of day and night, which ranks among the four solar terms. At this time, the sun shines directly on the equator, spring blossoms and flowers bloom, which is suitable for farming and field management. Sightseeing, traveling, etc.

In fact, it usually refers to the day when the sun is really at 0 degrees of the yellow meridian: March 20 or March 2 1. In terms of time period, it refers to the position where the sun is located between 0 degrees and 15 degrees, from March 20th to April 5th.

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; Climatically, there are also obvious characteristics. During the spring equinox, China has entered a beautiful spring scenery except the Qinghai-Tibet Plateau, Northeast China, Northwest China and North China. On the vast land, willows are green, Fei Ying grass grows, wheat jointing and rape blossoms are fragrant. I hope it can be adopted.

What is the vernal equinox of the earth, and what is the spring breeze of summer solstice?

The earth is opposite to the sky.

thank you

When is the vernal equinox? March 2 1.

Summer solstice June 2 1

Autumnal equinox September 23

Winter solstice 65438+February 22nd.

This is because the revolution of the earth has led to the changes of the four seasons on the earth.

Seven-character poem of twenty-four solar terms

The earth goes around the sun, and it takes a year to complete a circle.

A year is divided into December, and the 24 solar terms are closely linked.

According to the Gregorian calendar, these two gases will not change every month.

The first half of the year is Saturday and Monday, and the second half is every eight days and every Wednesday.

These are festivals, and the difference is only one or two days.

There are 24 verses in succession, and the following formula is kept in mind:

A slight cold in January was followed by a severe cold, and it rained in the spring of February;

The vernal equinox is in March and Qingming Grain Rain is in April.

Long summer and full summer in May, full summer solstice in June;

July is hot and slightly hot, and August is long summer, beginning of autumn;

In September, the Millennium meets the autumnal equinox, and the first frost and cold dew are all in October;

There is a light snow in 1 1 month in beginning of winter, and a heavy snow in winter solstice to welcome the New Year.

Pay close attention to the season, busy production, timely sowing and harvesting to ensure a bumper harvest.

What does the vernal equinox mean? What is the vernal equinox? -Introduction

Spring Equinox

The solar term of the vernal equinox begins on March 20th or 2 1 day of the Gregorian calendar every year, and the sun reaches 0 degrees of the yellow meridian (vernal equinox) and ends on April 4th (or 5th). On the day of vernal equinox, the sun shines directly on the equator, and the length of day and night is almost equal, which is exactly half of the 90th day of spring, so it is called "vernal equinox". After that, the direct sunlight position gradually moved northward, and the days began to get longer and the nights began to get shorter.

The vernal equinox is the midpoint of 90 days in spring. One of the 24 solar terms, around March 20 of the Gregorian calendar every year, when the sun is located at 0 (vernal equinox) of the yellow meridian. On the vernal equinox, the sun shines directly at the equator of the earth, and the seasons in the northern and southern hemispheres are opposite. The northern hemisphere is the vernal equinox and the southern hemisphere is the autumnal equinox.

In ancient China, the vernal equinox was divided into three periods: "First, waiting for the arrival of birds; Second, wait for Lei Nai to make a sound; Third, wait for electricity. " In other words, after the vernal equinox, swallows will fly from the south, and when it rains, the sky will thunder and lightning. The corresponding phenological phenomenon in the ancient Yellow River basin is "the arrival of a mysterious bird, the thunder and the electricity" (see "Nongsang Tongzhi"). At this time, the overwintering crops in most parts of China entered the spring growth stage. A farmer's proverb in central China says, "Wheat rises at the vernal equinox, which is a worthwhile moment."

The vernal equinox is also a traditional festival. In the Zhou dynasty, there was a ceremony to worship the sun at the vernal equinox. Book of Rites: "Altar." Confucius' Ying Da Shu: "Also called the vernal equinox." This custom has been handed down from generation to generation.

Pan Qingrong won Ji Sheng at the age of Emperor Jing: "The vernal equinox and autumn are a grand ceremony of the country, and scholars should not worship it." Around the vernal equinox in Qing Dynasty, ministers offered sacrifices in the palace, and aristocratic families also offered sacrifices in the ancestral temple on the same day. The Chronicle of Jingchu in Liang Zonggu of the Southern Dynasties records: "On the day of the vernal equinox, people planted fire-fighting grass on their houses. If there is a bird like a blackbird, the rooster will crow first and the door frame will creak. When people wait for the bird, they will go into the field and think they will wait. " In the Ming Dynasty, planting trees in Zichuan, Shandong Province, brewed spring wine to cool off the heat. "Wenshui County Records" contains: "On the vernal equinox, the wine is cold and the flowers move."