What is the formula of the twenty-four solar terms?

The sun is shining in beginning of spring, it rains by the river, and crows are awakened. The land is dry at the vernal equinox, and Qingming is busy sowing wheat, while Grain Rain is sowing fields.

In the long summer, goose feathers live, small birds come to the whole, awn seeds are shoveled, and cotton is not taken in the summer solstice. The haze is not hot, and it is dog days in summer.

Beginning of autumn is busy playing a little. In summer, he moved his knife and sickle, and the Millennium smoke was put on the shelves. The autumnal equinox is barren, cold dew is not cold, and first frost is long.

In the early winter of October, the light snow was frozen, and there was no boat on the river after heavy snow stubble. The small plug was near the twelfth lunar month and it was cold for a whole year.

24 solar terms classification:

There are five solar terms reflecting temperature changes: slight summer heat, great summer heat, summer heat, slight cold and severe cold.

There are seven solar terms reflecting weather phenomena: rain, Grain Rain, white dew, cold dew, first frost, light snow and heavy snow.

There are four solar terms reflecting phenological phenomena: Jing Zhe, Qing Ming, Xiaoman and Mang Zi.