The spring equinox is the fourth solar term in spring. The arrival of the spring equinox will also dissipate the cold and completely usher in the warm weather. After the spring equinox, the temperature will be higher and higher day by day, and it will soon enter the feeling of summer. So when is the spring equinox in 2019? What time exactly? This article brings you the specific time of the spring equinox and the key points of knowledge about the spring equinox. Let's have a look.
2019 spring equinox date: Thursday, March 21, 2019 05:58:20
Key points of vernal equinox solar terms
The vernal equinox usually refers specifically to the position of the sun's optic yellow meridian at 0-DEG; The time is around February 15 of the lunar calendar (about March 20 ~ 21 of the Gregorian calendar). In the time period, it also means that the sun is in the Yellow meridian 0° And 15 & deg; The position between, that is, from the spring equinox to the time before Qingming Day, is about between March 20 and April 5 in the Gregorian calendar.
The spring equinox is a good time for transplanting flowers and trees. At this time, the trees have grown tender green branches, which is the easiest time for trees to survive. It is also a good time to watch the beautiful scenery. The willows are green and the flowers are red. The yellow rape flowers in the fields add a thick touch to such a festival. We can travel with our friends and breathe the fresh air, Feel the freshness of nature. China also set the arbor day on March 12 before the spring equinox, making the originally busy season more lively.
On the evening of the spring equinox, the handle of the Big Dipper pointed to the position of Mao, that is, due east. This stage is generally in February of the lunar calendar, also known as Mao month. At noon, use a guibiao to measure the shadow of the sun. The length of the shadow is one foot, two inches and four minutes of the ancient ruler, which is equivalent to 1.78 meters today. As a folk saying goes, the spring equinox and the autumn equinox are equal day and night, so the ancients called the spring equinox 'day and night equinox'. After the spring equinox, the position where the sun shines directly on the earth moves northward, and the days and nights in the northern hemisphere begin to be long and short. Therefore, there is a folk proverb that "after eating the spring equinox meal, a day is a long line".
In the spring equinox solar terms, the twelve news Hexagrams are big and strong, and the hexagrams have two Yin and four Yang, indicating that Yang has accounted for most of it. The weather is warm and very suitable for crop growth. As the saying goes, 'the wheat gets up at the spring equinox, and the fat and water should follow closely.' A spring rain, a warm, busy farming after the spring rain. The busy spring season is about to begin. Spring management, spring ploughing and spring planting are about to enter the busy stage. After the spring equinox, overwintering crops enter the growth stage, and field management should be strengthened.