What is head, head and middle in summer?

From summer to the third Geng day in the future, it is called "initial lodging", that is, head lodging; From the summer to the fourth Geng day in the future, it is called "Zhongfu"; From the first Geng Day after beginning of autumn, it was called "Sanfu".

Due to the uncertainty of Geng day, the date of accommodation is different every year. The first and last days are 10 days, and the intermediate days are not fixed. When there are four Geng days between the summer solstice and beginning of autumn, the bisection point is 10 day; When there are five Geng days, it is divided into 20 days. The first, middle and last three days add up to the total number of days in dog days.

After sleeping, because of the high temperature, strong solar radiation and high air humidity, people will find the weather sultry and unbearable, which is the hottest time of the year. The public should pay special attention to heatstroke prevention and cooling, replenish water in time, and minimize unnecessary going out.

It is a traditional custom to eat jiaozi on the head, because when it rains, people have a bad appetite and can't eat anything, while jiaozi is a food that stimulates and satisfies the appetite in the traditional customs of China people.