What are the 24 solar terms?

The twenty-four solar terms directly link the cycle of time with specific seasons, phenology and climate, which is prominently reflected in the names of the twenty-four solar terms. Among them, 8 reflect seasonal changes, namely beginning of spring, Changxia, beginning of autumn, beginning of winter, vernal equinox, autumnal equinox, summer solstice and winter solstice; Four of them reflect the phenological changes, namely, Jing Zhe, Qing Ming, Xiaoman and Mang Zi; There are five kinds of temperature changes, namely, slight summer heat, great summer heat, summer heat, slight cold and severe cold; There are seven kinds of climate change, namely rain, Grain Rain, white dew, cold dew, first frost, light snow and heavy snow.

Extended data:

Twenty-four solar terms are the great creation of the Chinese nation and the wisdom crystallization of ancient people's constant search, cognition and summary in long-term production practice. Its formation is a long historical process, but at the latest in the early years of the Western Han Dynasty, all the 24 solar terms had already appeared. It was included in the calendar of Emperor Wu of Han Dynasty. Since then, solar terms have become an important part of China's traditional calendar.

It is generally believed that the 24 solar terms originated in the middle and lower reaches of the Yellow River, with four distinct seasons and developed agriculture. However, once it entered the official calendar, it spread throughout the country with the promulgation of the calendar, and even affected many neighboring countries such as North Korea, Japan, Vietnam and Malaysia.

References:

People's Network-Twenty-four Solar Terms and Beijing City