This is not the first day of summer. Summer is one of the twenty-four solar terms in essence, and entering summer is the beginning of dog days. Dog days refer to a hot period between summer heat and summer heat. "Fu" means that yin is forced by yang, so dog days are the hottest time of the year. The dog days are divided into three days: the beginning, the middle and the end, and the total time of the three days is about forty days.

Brief introduction of Xiao Shu

Summer is the eleventh of the twenty-four solar terms, at the end of the afternoon and the beginning of the month. The sun reaches longitude 105 degrees, and the festival is held on July 6-8 of the Gregorian calendar every year.

Summer means hot, a little hot, not very hot. It's getting hotter, but it's not the hottest. Although light summer is not the hottest season in a year, it is followed by the hottest solar term in a year. There is a folk saying that "it is hot in summer and hot in summer, and it is steamed and cooked". Many places in China have entered the season with the most thunderstorms since summer.

The heat began to enter the dog days. The so-called "hot dog days". The dog days generally appear between the hot summer and the hot summer, and it is the time with the highest temperature and humid heat in a year. Monsoon climate is the main feature of China climate. In summer, affected by the warm and humid air flow from the ocean, many places in China are hot, humid and rainy. Although the sun is scorching, it is hot, humid and rainy at this time. For crops, the same period of rain and heat is conducive to growth.