The meaning of solar terms

new word

Basic explanation and detailed explanation

[Jie qi]

As the earth revolves around the sun, it seems that the sun moves from west to east in the starry sky every tropic year. The path of the sun in the starry sky is called the ecliptic. The ecliptic is used to indicate the position of the sun on the ecliptic, and every change of the ecliptic of 15 is called qi. * * * Twelve qi and twelve solar terms are collectively called twenty-four solar terms. Each has its own proper name, such as the vernal equinox (0 degrees of the yellow meridian) and Qingming (0/5 degrees of the yellow meridian/kloc). Twenty-four solar terms are the creation of working people in China, which were gradually established from the Spring and Autumn Period to the Qin and Han Dynasties and are still in use today. It shows the change of climate and the length of day and night, and can refer to various solar terms for agricultural activities.