Standing, building, summer vacation, what do you mean by vacation at this time?

It means: standing, that is, from now on, growing up in summer, in the long summer, by this time, everything in the world will grow up.

Source: Yuan 24 solar terms.

Original: Long summer, April Festival. Make a word to understand spring. Summer is fake, and everything is fake at this time.

Long summer, commonly known as April Festival. The word Li means spring and summer, that is, growing up. In the long summer, everything grows at this time.

Explanation:

Astronomically, Chang Xia said that bidding farewell to spring is the beginning of summer. 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.

Extended data:

Working background:

China's earliest calendar combined astronomy, meteorology and phenology to guide agricultural activities. It originated in the Yellow River valley and was completely recorded in the Book of Yizhou Shi Xun Jie in the 2nd century BC. Take five days as days, three days as qi, six days as hours, four days as years, and twenty-four solar terms * * * seventy-two days a year. Each climate corresponds to a phenological phenomenon, which is called climate response.

Among them, the plant climate should be germination, flowering, fruiting, etc. Animals should start vibrating, singing, mating, migrating, etc. Abiotic climate should include initial freezing, thawing and thunder. The time series changes of 72 climate events reflect the overall situation of climate change in a year.

The long summer chapter is a description of the long summer in the twenty-four solar terms, and makes corresponding astronomical and meteorological phenology.

Baidu encyclopedia-24 solar terms

Baidu Encyclopedia-Long Summer