The four seasons refer to

Four seasons is a basic concept in China's ancient calendar system, which is also popular now.

The official calendar system takes beginning of spring as the beginning of four seasons, such as Records of the Historian Tianguanshu and beginning of spring, who died in four seasons.

The ancients followed the example of the sky, took the image of the land, set solar terms to know solar terms, and made calendars to know time changes. Four seasons is a basic concept in China's ancient calendar system, which refers to four seasons: spring, summer, autumn and winter. When Beidou bucket handle rotates, the calendar is one year old, and each year has four concepts, namely, four seasons, December and twenty-four solar terms. The official calendar system takes beginning of spring as the beginning of four seasons, such as Records of the Historian Tianguanshu and beginning of spring, who died in four seasons. At the age of one and four, beginning of spring started and finally got cold.

Description of works

The Book of Rites Confucius lives in seclusion: "There are four seasons in the sky, spring, summer, autumn and winter."

One horizontal refers to the four seasons; All the year round is the agricultural season; Morning, day, evening and night of a day.

Yi Zhou Shu Wen Zhuan: "If you don't kill the fetus, you won't be successful, and there will be no four seasons. If you have ten years, you will be king. "

Huainan Ziben Jing Xun: "The four seasons, spring grows and summer grows, autumn harvests and winter storage, are taken in moderation, and sometimes they go in and out, open and close, without losing their narrative, and it is not unreasonable to combine rigidity and softness."

Zuo Zhao Zhuan A.D.: "A gentleman has four seasons: listening to politics in the morning, visiting politics during the day, amending orders at night, and settling down at night."

The history of rites and music in Han Dynasty: "The filial piety temple plays the dance of Zhao De, Shi Wen, Shi Si and Xing Wu."