There are 24 solar terms in China, and Lixia is one of them. The beginning of summer is a solar term for us to say goodbye to spring and usher in summer. It's getting warmer in the early summer. The temperature is higher and the rain is coming. So which day is the beginning of summer this year? The beginning of summer in 2019 is May 6, which means the beginning of summer. Every solar term has its origin, and the beginning of summer is no exception. Let's take a look at the origin of Lixia!
What's the beginning of summer in 2019
When is the beginning of summer
The beginning of summer in 2019: May 6, 2019, the second day of April in the lunar calendar.
The beginning of summer is the beginning of summer. From then on, everything is prosperous. It is customary to regard the beginning of summer as the most important solar term when the temperature rises significantly, summer is coming, thunderstorms are increasing, and crops enter the peak season.
The date formula of Lixia: [y * D + C] - L
Formula interpretation: y = the last two years, d = 0.2422, l = leap years, C = 5.52 in the 21st century, 6.318 in the 20th century.
For example: the beginning of summer in 2019 = [19 & times;. 0.2422 + 5.52] - [19 / 4] = 9-4 = 5, May 6 is the beginning of summer.
What is the origin of Lixia
The solar term Lixia was established at the end of the Warring States period (239 BC), indicating the change of seasons and the beginning of summer in the four seasons of the year. According to the standard of climatology, the summer begins when the average temperature reaches 22 ℃ in five days. In the middle and lower reaches of the Yellow River, the temperature at the beginning of summer is close to the standard of climatology, which is the origin of the 24 solar terms. Therefore, it is in line with the actual situation that the 24 solar terms regard the beginning of summer as the beginning of summer.