The length of day and night in February is 20 19

The vernal equinox season is a clever solar term, and the spring breeze is as soft as an affectionate girl. Half-opened peaches and plums are so cute. So do you know when the vernal equinox date is 20 19? What is the exact time? Use the old calendar book to have a look!

20 19 vernal equinox date: 2019 March 2 1 Thursday 05:58:20.

Key points of knowledge about vernal equinox and solar terms

The vernal equinox usually refers to the moment when the sun's ecliptic is at 0, which is around February 15 of the lunar calendar every year (about March 20 to 2 1 in the Gregorian calendar). In the time period, it also refers to the position of the sun between 0 and 15, that is, from the vernal equinox to Tomb-Sweeping Day, and the Gregorian calendar is between March 20th and April 5th.

The vernal equinox is a good time to replace trees with flowers. At this time, the trees have grown green branches, which is the easiest time for trees to survive. At this time, it is also a good time to watch the beautiful scenery. The willow green flowers and rape flowers in Huang Cancan in the field add a strong touch of bright color to such a festival. We can travel with friends, breathe fresh air and feel the fresh feeling brought by nature. In China, Arbor Day is also scheduled in March 12 before the vernal equinox, which makes the busy season more lively.

On the night of the vernal equinox, the bucket handle of the Big Dipper points to Mao's position, which is due east. At this stage, it is usually in February of the lunar calendar, also known as Uzuki. At noon, measure the sun's shadow with a standard meter. The shadow is one foot, two inches and four minutes long, which is equivalent to today's 1.78 meters. There is a folk saying that the vernal equinox and the autumnal equinox are equally divided day and night, so the ancients called the vernal equinox "day and night equinox". After the vernal equinox, the position of direct sunlight on the earth moved northward, and the days in the northern hemisphere began to be long and the nights were short. Therefore, there is also a folk proverb that "after eating the vernal equinox, a day will be longer".

Among the vernal equinox and solar terms, the twelve hexagrams are big and strong, like two yin and four yang, indicating that the yang is in the majority and the weather is warm, which is very suitable for crop growth. As the saying goes, "When wheat begins at the vernal equinox, fat and water should follow." A spring rain was warm. After the spring rain, I was busy plowing. The busy farming season in spring is about to begin, and spring management, spring ploughing and spring planting are about to enter a busy stage. After the vernal equinox, overwintering crops enter the growth period, so field management should be strengthened.