Do you know all the knowledge of the vernal equinox?

Do you know all about solar terms, popular science and vernal equinox?

The origin of the vernal equinox: "In mid-February, it is half a minute, so it is called half a minute." -"Twenty-four solar terms"

The vernal equinox (about 19-22 in March of Gregorian calendar every year) is the fourth solar term in spring, also known as "day and night equinox" and "mid-spring moon". On the vernal equinox, spring is divided into two halves. The sun shines directly on the equator, and the world is divided equally day and night, so it is called "vernal equinox".

Vernal equinox climate

Day and night are flat, cold and summer are flat: "The spring equinox is also half-phase, so day and night are flat, cold and summer are flat." -"Spring and Autumn Stories"

The vernal equinox has two meanings: in astronomy, the sun shines directly on the equator on this day, and the day and night in the northern and southern hemispheres are almost equal, and then the position of direct sunlight gradually moves northward; Climatically speaking, the vernal equinox is the midpoint of three months in spring. The vernal equinox has three stages: the first stage is the arrival of mysterious birds, the second stage is thunder, and the third stage is the beginning of electricity.

Wheat is busy day and night after the vernal equinox: spring rain is like oil, and plows and harrows are connected one after another; The frozen soil is completely melted, which is a good time to sow. The agricultural proverb says that "the spring equinox wakes up without relaxation" and "the spring equinox starts with wheat, and every moment is worth a thousand dollars", which indicates the beginning of the busy spring farming season! After the vernal equinox, the climate is mild, and most parts of our country are full of rain and sunny, and the wintering crops enter the spring growth stage.

The custom of vernal equinox

Vertical Eggs: The vernal equinox is here, and the eggs are beautiful. The "Vertical Eggs" contest warms the land of spring. "Vertical egg" is endowed with beautiful meanings such as "Tian Ding" and "Tian Fu", which means that people are prosperous and handed down from generation to generation.

Send Spring Cattle: Spring Cattle is the "Spring Cattle Map". Red paper or yellow paper is printed with patterns of farmers ploughing fields, which are sent to every household by folk singers with good temper, and some auspicious words about spring ploughing are also said.

Flying kites: Whenever the vernal equinox comes, the scenery is rainy and beautiful, and thousands of flowers and grasses are blooming, and women and children are competing to fly kites. Kite was called "Yao" in ancient times and "kite" in the north.

Sticking sparrow's mouth: the ancients were agriculture-oriented. In order to prevent the sparrows from stealing food, they put the cooked jiaozi on a bamboo stick and put it in the ground to stick the sparrows!

Sacrifice: The Book of Rites contains the "altar", and then the sacrifice is handed down from generation to generation. "Beijing Ritan (Asahi Altar) is the place where emperors of Ming and Qing Dynasties offered sacrifices to Daimyojin (the sun) at the vernal equinox.

Zanhua: The ancients will Zanhua at the vernal equinox. Men, women and children will wear flowers.

The health of vernal equinox

The vernal equinox is a period of balance in Yang Yang, and the cold and temperature are equally distributed throughout the year. Only by adjusting the lifestyle according to the change of solar terms can we achieve the effect of health care.

Eat spring vegetables: Huangdi Neijing says "prepare shepherd's purse for the New Year"! Everything grows in spring, and the seedlings and leaves of plants are good green food. Eating spring vegetables is an indispensable custom of the vernal equinox. Shepherd's purse, Toona sinensis, Malantou and chicory are all delicious in spring.

Eat shrimp &; Chicken: Chinese medicine says that spring corresponds to the liver. The vernal equinox is the time when the liver qi is strong, so we should pay attention to nourishing and protecting the liver to ensure the smooth flow of qi and blood. Eat more chicken and shrimp without getting angry!

Vernal equinox games

Make a cone: 1. Cut a small hole in the egg, pour out the egg liquid and keep the shell. 2. Draw a favorite pattern on the egg with acrylic pigment. 3. Put water and paper towels in the eggs. 4. Decorate it with collected plants.

Making a Bird's Nest: When the swallows return from the vernal equinox, they will observe the shape and structure of the bird's nest with their teachers, parents and friends, and make a bird's nest with natural materials (branches, leaves, hay, etc.) to hang on the treetops and give it to the swallows returning to the south. ).

Small experiment of thermal expansion and cold contraction: cut glutinous rice paper into the shape of a butterfly (draw the outline of the butterfly with a watercolor pen). When the butterfly is placed in the warm sunshine, you will see interesting pictures of it dancing.

Little taboo of vernal equinox

1. Pay attention to "covering in spring": cover in northern spring to avoid the baptism of "cold in spring", and the temperature fluctuates greatly to avoid inducing diseases. In spring, the cover should be thin on the top and thick on the bottom, without covering the head, but the chest should be warm.

2. Pay attention to combing your hair: combing your hair often during the vernal equinox will help the yang in your body to rise. Combing your teeth to stimulate your scalp can promote blood circulation, eliminate brain fatigue and make people refreshed.

3. Pay attention to the mood: At the vernal equinox, the human body's yang rises, and hormones and blood in the body become active. The temperature difference between morning and evening is easy to cause irritability, dizziness, insomnia and so on. Spring equinox health care should try to avoid mood swings and maintain a good mood.

Poetry of vernal equinox

Spring Family (Qing Dynasty) Song Wan

Noda Huang province is one of his own, and the old story of the old story has passed.

Niu Jiao women got up in the middle of the night, and planting trees in the Ming Dynasty was the vernal equinox.

A trip to the countryside (Tang) Du Mu

In mid-spring, Sang Rou crossed the village pier.

Willow weeping in the wind, rain back to the pond.

I sang the song of herding cattle, and I peeked at the girl in the skirt through the fence.

Semi-wet shirt, the owner feeds the chicken and millet.

Walking on the Sand (Song) Ouyang Xiu

Rainy scenery, vernal equinox weather.

Let a hundred flowers blossom.