When is the Spring Equinox in 2017? What are the weather characteristics of the Spring Equinox?

When is the Spring Equinox in 2017? What are the weather characteristics of the Spring Equinox?
Introduction: The breath of spring is gradually coming with the passing of the Spring Festival, and we are about to enter the vernal equinox. We know that the Spring Equinox is one of the 24 solar terms. At this time, the sun shines directly on the Earth's equator, the Southern Hemisphere enters the Autumnal Equinox and the Northern Hemisphere enters the Spring Equinox. So when is the Spring Equinox in 2017? What are the weather characteristics of the Spring Equinox? Let’s find out together! The second month of the lunar calendar tells the stories of every day in February, bringing you the do's and don'ts of every day in February, as well as the directions of the God of Wealth and the God of Happiness, etc., making you full of expectations.

When is the Spring Equinox in 2017?

2017 Spring Equinox Time: March 20, 18:28:35
Lunar calendar February 23, 2017

Weather characteristics of the Spring Equinox

On the day of the vernal equinox, the sun shines directly on the equator, and the day and night are almost equal. Afterwards, the position of direct sunlight gradually moves northward, and the days begin to get longer and the nights shorter.
The farther away from the equator on the earth, the smaller the solar altitude angle at noon and the less solar heat received. Generally, March, April and May are spring in the Northern Hemisphere and autumn in the Southern Hemisphere.
During the Spring Equinox, the East Asian trough has significantly weakened, and the trough-ridge activity in the westerly belt has increased significantly. Low pressure activities and cyclone development are common from Mongolia to the Northeast. The movement of low pressure guides the cold air southward, and the northern region is prone to strong winds and sandstorms. When the long wave trough moves eastward, affected by the convergence of cold and warm air masses, continuous rain and late spring cold weather will occur.
During the Spring Equinox, except for the high-altitude mountainous areas where it is winter all year round and the areas north of 45° north latitude, the daily average temperature in all parts of China has steadily risen to above 0℃. The severe cold has passed and the temperature has risen rapidly, especially in North China and the Huanghuai Plain. The daily average temperature has risen to above 10℃ almost at the same time as the rainy areas along the Yangtze River in the south of the Yangtze River, ushering in the bright spring. On the vast land, willows on the banks are green, warblers are flying, grass is growing, wheat is growing, rape flowers are fragrant, peaches are red, plums are white, and forsythia is yellow. The southern part of China is experiencing a late spring scene. According to climate laws, precipitation in the south of the Yangtze River increases rapidly at this time, entering the spring "peach blossom flood" period; in the vast areas of Northeast, North China and Northwest China where "spring rain is as precious as oil", precipitation is still very little, and resisting the threat of spring drought is the main problem in agricultural production.
"When the wheat starts to grow at the Spring Equinox, every moment is worth a thousand gold." Areas in the north with little rain in spring should seize the opportunity of spring irrigation, water the wheat during the jointing period, apply fertilizer during the jointing period, and pay attention to preventing late frost damage; the south still needs to continue to do a good job in drainage and waterlogging prevention. The early rice seedling cultivation in Jiangnan and the early rice seedling cultivation under film in Jianghuai area has begun. The weather in early spring changes frequently between hot and cold. It is necessary to pay attention to soaking the seeds and germinating them when the cold air comes, and sowing when the weather is sunny when the cold air ends. People's experience says: "If it's cold at the end and warm at the beginning, there's no need to worry about planting the seedlings." Depending on the weather conditions, try to have 3-5 sunny days after sowing to ensure that all seedlings grow after one sowing. The spring tea has begun to sprout, and quick-acting fertilizers should be applied in time to prevent and control diseases and pests, so as to strive for a high yield and high quality of tea.
"In February, the Waking of Insects and the Spring Equinox come, so it's time to plant trees, apply fertilizers and plough the land." The Spring Equinox is also an excellent time to plant trees. There is a line in an ancient poem that goes, "Feed the cows in the middle of the night and wake up the wife, and plant trees tomorrow morning on the Spring Equinox." During the busy farming season, we must continue to use our hands to green the mountains and rivers of our motherland and beautify our environment.
The Spring Equinox is one of the solar terms that reflects the changes of the four seasons. In ancient China, the beginning of the four seasons was indicated by the beginning of spring, summer, autumn and winter. The vernal equinox, summer solstice, autumnal equinox, and winter solstice are in the middle of each season. On the day of the Spring Equinox, the sun's rays directly hit the equator, and the time of day and night is equal everywhere on Earth. Therefore, in ancient times, the Spring Equinox and Autumn Equinox were also called "the division of day and night". There is a folk saying that "On the Spring Equinox and Autumn Equinox, the day and night are equal."
After the vernal equinox, overwintering crops in most parts of southern China enter the spring growth stage. There is an agricultural proverb in Huazhong that goes "On the Spring Equinox, the wheat starts to grow, and every moment is worth a thousand pieces of gold." Temperatures in most parts of the south continue to rise, but generally not as fast as during the period from Rain Water to the Spring Equinox. In late March, the average temperature in northern South China is mostly between 13℃ and 15℃, and in southern South China is mostly between 15℃ and 16℃. The snow and ice have melted in most parts of the plateau, and the average temperature in the ten-day period is about 5℃ to 10℃. The highest temperatures are in river valley areas, most of southern my country, with an average temperature of around 18 to 20 degrees Celsius. Except for the marginal mountainous areas in the south, the average daily temperature has been rising steadily to above 12°C for 17 or 18 years on average, which is conducive to the sowing of crops such as rice and corn, and is also very suitable for afforestation. However, around the Spring Equinox, a strong cold front often invades South China, causing a significant drop in temperature, with the lowest temperature dropping to below 5°C. Sometimes, small amounts of cold air follow, causing low temperatures and rain that last for several days, which is not conducive to agricultural production. Based on this characteristic, we should make full use of the weather forecast and sow seeds in time when the weather turns cold at the end and warm at the beginning.
On the day of the vernal equinox, the sun shines directly on the equator, and the day and night are almost equal. The difference is that it is spring in the northern hemisphere and autumn in the southern hemisphere. Afterwards, the position of direct sunlight gradually moves northward, the solar radiation received by the northern hemisphere gradually increases, the weather becomes warmer day by day, and the days become longer and the nights become shorter. During the Spring Equinox, due to the convergence of cold and warm air masses, there will be more rainfall.
As the saying goes: "When the wheat starts to grow during the Spring Equinox, fertilizer and water should be applied immediately." A spring rain brings warmth, and after the rain people are busy farming the fields. The busy spring season is about to begin, and spring management, spring plowing and spring planting are about to enter a busy stage. After the vernal equinox, overwintering crops enter the growth stage and field management must be strengthened. As the temperature rises quickly, the water demand is relatively large, so farmers need to strengthen water storage and conservation.
Summary: After reading the above weather characteristics of the Spring Equinox, we know that this season is the most suitable for spring plowing and it is also the busiest time for farmers! I hope the above article can help you!

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