What do you mean by long summer, small full, boundless middle, summer solstice, small trees and big trees?

Long summer is the seventh solar term in the twenty-four solar terms of the lunar calendar and the first solar term in summer, which indicates the official start of the summer season. When the sun reaches 45 degrees of the yellow meridian, it is the solar term of long summer. Traditionally, this is the beginning of summer, usually on May 5th or 6th. Li, Ye, Xia and Ye, all things have grown up at this point, hence the name Long Xia.

Xiaoman is the second solar term in summer. When the sun reaches 60 degrees of the yellow meridian, it is Xiao Man, and the date is between May 20 and 22 of the Gregorian calendar every year. Xiaoman reflects the climatic characteristics of heavy rainfall. Another explanation is that the seeds of summer grain in the north are full, but immature, just small and not full.

Mango is the third solar term in summer, which indicates the official start of the midsummer season. When the sun reaches 75 degrees, it is called mango solar term. The literal meaning of awn seed is "the wheat with awn is harvested quickly, and the rice with awn can be planted". The date is June 5th, 6th or 7th every year. The awn seeds indicate the maturity of summer crops such as wheat and the busiest planting season.

When the sun moves to 90 degrees of the yellow meridian on the summer solstice, it is the intersection point, usually on June 2 1-22 of the Gregorian calendar, reaching the northernmost part of the year and pointing almost directly to the Tropic of Cancer. At this time, the daylight hours in all parts of the northern hemisphere reach the longest in the whole year. For the Tropic of Cancer and its northern area, the summer solstice is also the highest day of the year at noon.

The fifth solar term in summer is the official start of the last month of summer. When the sun reaches longitude 105 degrees, it is called the solar term. Summer heat, which means hot, is a little hot, not very hot. It's getting hotter, but it's not the hottest. Around the summer heat, most parts of South China entered the season with the most thunderstorms.

Summer is one of the twenty-four solar terms of the lunar calendar, and the sun is located in the yellow meridian 120. The date is July 22nd, 23rd or 24th every year, just before and after the Mid-Autumn Festival. Most of China is the hottest period in a year, and it is also the fastest growing period of heat-loving crops. The working people in China divide the summer heat into three periods: "First, rotten grass turns into fireflies; Second, the soil moistens the summer heat; Third, go when it rains heavily.