The sunshine hours of Qingdao in summer solstice and winter solstice last year.

1, summer solstice and winter solstice time

The summer solstice of 20 17 is on June 20 17, Wednesday, May 27th of the lunar calendar.

The winter solstice in 20 17 is 20 17 12.22, on the fifth day of November of the lunar calendar.

2. Climatic characteristics of summer solstice.

June 2 1 or 22 every year is the summer solstice. On the day of summer solstice, the sun directly reaches the northernmost point of the year, almost directly to the Tropic of Cancer (23 26' 28 "44 north latitude), and the daytime in the northern hemisphere is the longest, and the farther north it is, the longer it is.

The summer solstice is the longest day in a year in the northern hemisphere. In southern China, it takes about 14 hours from sunrise to sunset. Although the summer solstice has the longest day and the highest sun angle, it is not the hottest time of the year. Because, close to the surface of the heat, at this time still continue to save, did not reach the maximum time.

As the saying goes, "Hot days are in dog days", and the real hot weather is calculated by summer solstice and beginning of autumn. From mid-July to mid-August, the temperature is the highest in all parts of the country, and the highest temperature in some areas can reach about 40℃.

3. Climatic characteristics of winter solstice.

The solstice of winter is coming, and the cold weather begins to count down for nine days. This is the coldest moment when the fiercest cold wind hits in March and September. It is necessary to make up for the cold on the solstice of early winter. At this time, the yin of the human body is the most abundant in the whole year, and it is necessary to supplement the yang to keep warm better.