What does the solar term mean? How did the solar terms come from?

1, solar terms are to adapt to festivals and to be in tune. Solar term refers to the season of solar term, and refers to the climate and phenology of a solar term. In some parts of our country, some festivals are regarded as festivals, and the four seasons refer to ceremonies and festivals carried out in seasonal order.

2. Twenty-four solar terms are special festivals in the trunk calendar, indicating the change of natural rhythm and establishing "December construction". In the historical development, the 24 solar terms have been incorporated into the lunar calendar and become an important part of the lunar calendar. In the process of using the 24 solar terms to engage in agricultural activities, the ancients established some dates similar to the solar terms, long or short, and with certain climatic characteristics, which were called festivals.