What are the three stages of long summer?

Cricket: You can hear croaking in the field. Earthworms come out: I see earthworms digging. Wang Guasheng: The vines of Wang Gua began to climb and grow quickly. The so-called "first time, cricket sings", cricket and mole are also suitable for warm and humid environment, plus the mole's singing, which means that summer is full of flavor.

When the sun is shining, earthworms will come out. Earthworms are an out-and-out object, living in wet and dark soil. When the sun is shining, the earthworms are impatient and come out to join in the fun. The so-called "three seasons, Wang Gua Sheng", Wang Gua is a unique medicinal climbing plant in northern China, which grows rapidly in the long summer and will bear red fruit in June and July.

China called "five days" equal and "third class" solar terms, so a solar term is also called "third class". According to the climate characteristics and some special phenomena at that time, the working people in ancient China named each solar term "three phases" to express the characteristics of the weather at that time concisely and clearly.

The arrival of long summer indicates in astronomy that spring is about to say goodbye and summer is about to begin. At this time, summer harvest crops will enter the late growth stage, winter wheat will blossom and fill, rape will be nearly mature, the year of summer harvest crops is basically a foregone conclusion, and rice planting and other spring sowing crops management have also entered a busy season.

The third waiting period of long summer: the third waiting period of long summer is like this: on the day of long summer, the worm came out on the fifth day, and the melon was born on the fifth day. That is to say, every five days is a waiting period, and the long summer time is from May 5 to 7 in the solar calendar every year, so we can add five days to this time to calculate each time of the long Xia San waiting period. ?

Introduction to the long summer in the twenty-four solar terms: the fifth or sixth day of the lunar calendar is the long summer every year. "The bucket refers to the southeast, and the dimension is long in summer. Everything grows here, hence the name Long Summer. " At this time, the longitude of the sun is 45 degrees. Astronomically, Chang Xia said that bidding farewell to spring is the beginning of summer days. When the temperature rises obviously, the summer heat comes, thunderstorms increase and crops enter the peak season, people are used to taking long summer as an important solar term.