How old is Lent?

Lent is forty years old. Xunzi began to appear in Oracle Bone Inscriptions in Shang Dynasty. Oracle Bone Inscriptions from ten (or one) up, down like a ring. It means that the 10-day cycle from one day to one day of deck is "10 days". Jin Wen Jia Riming did say that the ten-day cycle is "ten days". Later, it turned to ten years, and the time was extended to a complete cycle. Later, it turned to ten years, and the time was extended to a complete cycle.

For example, a 60-year-old person is a 60-year-old person. Ten is ten. Bai Juyi's dream of singing and masturbating: "At the age of 70, I was happy, so I didn't think I was sick or poor." Seventy is seventy.

Extended data:

Tracing the origin of ten-day characters

For the convenience of timing, January is divided into three equal units, and one unit is ten days, which is called ten days. From the first day to the tenth day, or from the first day to the tenth day, it is ten days. Ten days later, another ten days, thirty days a month. Of course, there is a straight line between ten days and ten days, but in people's minds, it seems endless.

Ten-day words are commonly used in Oracle bone inscriptions, mostly "ten days of death (no disaster)"; There are similar "ten days"? Kill ",that is, evil will happen within ten days. A small amount belongs to the weather forecast. "Oracle Bone Inscriptions Collection" 12486 film: "Guiyoubu, it didn't rain today. "

Remove "Tian" from the ten-day meaning and only take its "ten". Biography of the Three Kingdoms Shu Wei Liu Gan: "Cultivate mulberry and be frugal, cultivate for ten years, and the country will be rich and the people will be safe." It has expanded to ten years. Tang Bai Juyi's "I am humble and I have a dream": "I am happy at the age of 70, so I don't think I am sick or poor."

Baidu Encyclopedia-Ten Days