What is the meaning of "99 Song Festival Song"?

Solar term song is a song style written in accordance with solar terms in ancient China.

The spring rain shakes the spring and the valley days, and the summer is full of mountains and summers.

Autumn dew, autumn frost, little snow in winter and cold in winter.

The two festivals remain unchanged every month, with a maximum difference of one or two days.

The first half of the year is June 2 1 day, and the second half is August 23.

"Twenty-four solar terms" is the product of ancient farming civilization. It is a knowledge system formed by ancient ancestors following the farming season, observing the movement of celestial bodies and understanding the changing law of natural rhythm.

Division of solar terms

"Twenty-four solar terms" is the product of ancient farming civilization, which has a long history and is associated with heavenly stems and earthly branches and Bagua. China's astrology culture has a long history and is profound. The ancients began to explore the mysteries of the universe very early, and thus deduced a complete and profound star-watching culture. The Big Dipper will appear in different directions in the northern hemisphere sky in different seasons and at different times at night. It is a ruler for the ancients to set directions and solar terms.

Polaris is located at the northern end of the earth's axis, which is five times as long as the extension line connecting Tian Xuan and Shu Tian in the Big Dipper. Because of the earth's rotation, Polaris is just on the axis of celestial rotation, so it is relatively static, while the Big Dipper on the axis seems to revolve around Polaris, resulting in a "star shift".