Among the 24 solar terms, how many solar terms are included in the connection between summer and summer?

There are six solar terms, namely, Long Summer, Xiaoman, Mangzhong, Summer Solstice, Slight Summer and Great Summer.

Long summer: the bucket refers to the southeast. The meridian of the sun is 45 degrees. Now it's long summer, and since then, everything has flourished. Traditionally, long summer is regarded as one of the most important solar terms when the temperature rises significantly, the summer heat approaches, thunderstorms increase and crops enter the peak season.

Little Man: Fighting nails. The meridian of the sun is 60 degrees. Since Xiaoman, summer crops such as barley and winter wheat have borne fruit and full seeds, but they are not yet mature, so they are called Xiaoman.

Mangzhong: Beidou points to itself. The meridian of the sun is 75 degrees. At this time, it is most suitable for sowing grain crops with awns, such as late rice, millet and millet. If you plant awns and crops after this time, it will not be ripe. At the same time, "awn" refers to crops with awns such as wheat and barley, and "species" refers to seeds. Awn seeds indicate the maturity of awned crops such as wheat. Before and after the awning, the rainfall in the middle and lower reaches of the Yangtze River in Central China increased and the temperature rose. In the rainy season, the air is very humid, the weather is extremely sultry, and all kinds of utensils and clothes are prone to mildew, so it is also called "mildew rain" in the middle and lower reaches of the Yangtze River in China.

Summer solstice: Beidou points to B. The meridian of the sun is 90 degrees. When the sun is at the "Summer Solstice Point" at 90 degrees of the yellow meridian, it is almost directly above the Tropic of Cancer, and the sun is the highest in the northern hemisphere at noon. This day is the longest day and the shortest night in the northern hemisphere. From this day on, it entered the hot season, when everything in the world grew most vigorously. Therefore, in ancient times, this day was called the northern solstice, which meant that the sun moved to the northernmost day. After the summer solstice, the sun gradually moves southward, and the days in the northern hemisphere become shorter and the nights become longer.

Summer heat: fighting refers to Xin. The solar calendar is 105. It's already very hot, but it's not the hottest time yet, so it's called Xiaoshu. At this point, it is already around the beginning.

Summer: bucket refers to C. solar meridian 120. The summer heat is the hottest solar term in a year. Before and after the next day's duty, high temperature weather of 40℃ often appeared in many places in the Yangtze River Basin. Do a good job in heatstroke prevention and cooling. There is a lot of rain in this solar term, so we should pay attention to the flood control and waterlogging prevention in the proverb "little summer heat, big summer heat, drowning rats"