There is spring break every year. How is it calculated?

Da Chun is the common name of beginning of spring, calculated according to the ecliptic. When the bucket handle of the Big Dipper points to Yin Shi, it is the solar term in beginning of spring, that is, when the sun reaches longitude 3 15.

Seasonal diet

1, spring cake: stuffing (mainly radish, bean sprouts and beans).

2, spring plate: mainly vegetables, lettuce, melon cakes and sugar on the plate, for relatives and friends to feed spring plate (or make a plate) or eat in the New Year. There are five kinds of dishes: fruit, vegetables, candy, cake and bait. Vegetables mainly include: bean sprouts, radishes, leeks, spinach, lettuce, beans, eggs and shredded potatoes. Du Fu's "beginning of spring": "In spring, the lettuce in the spring vegetables is fine, and I suddenly think of the time when Beijing plum blossoms."

3. Spring rolls (spring silkworms): "When you are old, you will be widely rewarded": "The rich people in Beijing make flour silkworms, which are called' official silkworms'. It is also called "exploring spring silkworm" because it is carried out at the beginning of spring. "

4, bite the spring (eat radish): Ming's "What's in My Heart": "When beginning of spring was here, no one chewed Robb, saying' bite the spring'."

Solar term phenomenon

When the solar term was in beginning of spring, the area south of the first line already had the breath of spring. Beginning of spring is a slightly turning solar term. This turning point is not obvious in the whole country. However, after beginning of spring, the days are getting longer and longer, which means that the coldest period has basically passed, the weather is getting warmer and everything is gradually recovering. South of Lingnan, the breath of early spring has come to my face; And in the north, beginning of spring, more can only be said to be the prelude to spring, and did not enter the spring.