Brief introduction of solar terms and songs

Spring rain shocks spring and clear valley days, summer is full of mountains and summer is connected with heat, autumn dew is cold and frost, and winter snow drifts. The first half of the year is June 2 1 day, and the second half is August 23. The dates of the two festivals are set every month, with a maximum difference of one or two days. Twenty-four solar terms is a supplementary calendar made by China in ancient times to guide farming, and it is the crystallization of the long-term experience and wisdom of the working people of ancient Han nationality.