Sihai network

What is the meaning of the spring equinox solar term? What is the origin of the spring equinox

What is the meaning of the spring equinox solar term? What is the origin of the spring equinox

Sihainet: the spring equinox is one of the 24 solar terms in China. The arrival of the spring equinox indicates the season when spring is full of vitality and flowers are open, and also the season when all things grow and multiply. So what do you know about the meaning of the spring equinox? How does the spring equinox come? Let's have a look with Xiaobian.

What is the meaning of the spring equinox solar term? What is the origin of the spring equinox

Spring equinox, also known as "mid day" and "day night equinox" in ancient times, occurs on March 20 or 21 every year when the sun reaches the Yellow meridian 0 & deg;. According to the collection and interpretation of the seventy-two moon orders: 'in the middle of February, half of the points are divided, which is half of the ninety days, so it's called the points. 'in addition, the spring and autumn is full of dew, and the Yin and Yang go in and out. It is said in the two chapters:' the spring equinox is half the same as the Yin and Yang, so it's cold and hot day and night. "Therefore, the meaning of the equinox refers to the equinox of day and night for 12 hours, and the equinox of spring and summer for spring in ancient times. The equinox is in the three months of spring, equinox of spring.

On the day of vernal equinox, the sun shines directly on the equator, and the day and night are almost the same. The difference is that the northern hemisphere is spring, and the southern hemisphere is autumn. After that, the direct sunlight position gradually moves north. The solar radiation in the northern hemisphere gradually increases, and the weather warms up day by day. At the same time, the day gets longer, and the night gets shorter. Spring equinox solar term, affected by the intersection of cold and warm air, the rain will also increase.

As the saying goes: 'spring equinox wheat up, fat water to follow'. A warm spring rain, busy farming after the spring rain. Spring busy season is about to start. Spring pipe, spring ploughing and spring planting are about to enter the busy stage. After the vernal equinox, the overwintering crops enter the growth stage, so the field management should be strengthened. Due to the rapid rise of temperature and relatively large water demand, farmers should strengthen water storage and moisture conservation.

The above is the contents of "what does the solar term of the spring equinox mean and why is it called the spring equinox" compiled by sihaixiao for you.