Xia Han solar terms card

It should be arranged from front to back, all solar terms, regardless of size. The order is Qingming, Mangzhong, beginning of autumn, Grade Three, Early Frost and Dahan.

1. Solar terms refer to 24 seasons and climates. It is a supplementary calendar made by China to guide farming in ancient times, and it is the crystallization of the long-term experience and wisdom of the working people of the Chinese nation.

2. Because China was an agricultural society in ancient times, agriculture needed to have a strict understanding of the operation of the sun, and farming was carried out entirely according to the sun, so "twenty-four solar terms" reflecting the operation cycle of the sun alone were added to the calendar as the criteria for determining leap months.

3. The orthodox 24 solar terms in China are based on Henan. China's lunar calendar is a combination of yin and yang, which is based on the movement of the sun and the moon, so adding 24 solar terms can better reflect the cycle of the sun's movement.

4. The naming of the twenty-four solar terms reflects three seasons, phenology and climate changes. The reaction seasons are beginning of spring, Spring Equinox, Long Summer, Summer Solstice, beginning of autumn, Autumn Equinox, beginning of winter and Winter Solstice, also known as Eight; Phenological phenomena include fright, Qingming, Xiaoman and Miscanthus. Rain, Grain Rain, little summer, big summer, early summer, white dew, cold dew, first frost, light snow, heavy snow, slight cold and severe cold are the responses to climate change.

5.2016165438+10.30, China's "Twenty-four solar terms" was officially listed in the UNESCO representative list of human intangible cultural heritage.

6. The twenty-four solar terms in a year are divided into twelve solar terms. The solar terms at the beginning of the first month in the summer calendar are solar terms, and the solar terms in the middle of the month are qi.