() Take the lead in putting the 24 solar terms into the calendar?

In BC 104, Deng Ping and others took the lead in bringing the twenty-four solar terms into the calendar in taichu calendar, and made clear the astronomical position of the twenty-four solar terms. The relevant explanations are as follows:

The solar terms of 1 and 24 are ancient calendars of China reflecting natural rhythms. It divides the earth's rotation into 24 solar terms according to the time series climate characteristics of the Yellow River basin. Deng Ping and others put the 24 solar terms into the calendar for the first time in taichu calendar in 104 BC, and made clear the astronomical position of the 24 solar terms.

2. The formulation of the twenty-four solar terms reflects China's profound understanding of the laws of nature in ancient times. Ancient scholars divided the revolution of the earth into 24 equal parts by observing the annual movement track of the sun, and each equal part represents a solar term. Each solar term reflects the seasonal changes and climate characteristics of the Yellow River Basin, such as the vernal equinox, autumnal equinox, summer solstice and winter solstice.

3. The contribution of Deng Ping and others in taichu calendar Law is that the 24 solar terms are included in the calendar system for the first time. Before this, although people have realized the importance of the 24 solar terms, there are still many inconveniences in the use of solar terms because of the lack of unified standards and clear division basis. Deng Ping and others made clear the astronomical position of the twenty-four solar terms through accurate astronomical observation and calculation.

The importance of the twenty-four solar terms

Solar terms 1 and 24 are one of the treasures of traditional culture in China, which embodies the reverence and respect of ancient people in China for nature. Ancient scholars divided the revolution of the earth into 24 solar terms by observing the annual movement track of the sun, and each solar term represents different climate and phenological changes. This division method reflects the ancient people's awe and respect for nature.

2. Twenty-four solar terms play an important guiding role in agricultural production. In ancient times, agricultural production was the main source of people's life, and the division of 24 solar terms could help people better grasp the growth law of crops. For example, the vernal equinox and the autumnal equinox are equal seasons, and the weather is pleasant at this time, which is suitable for spring ploughing and autumn harvest.

The twenty-four solar terms also have an important influence on people's daily life and physical health. For example, on the solstice of winter, the weather is cold, so people need to pay attention to keep warm and tonic; On the solstice of summer, the weather is hot, so people need to pay attention to heatstroke prevention and cooling. The division of the 24 solar terms can also guide people to eat and exercise reasonably, so as to keep healthy.