Are you ten or twelve?

Ten-day meaning:

10 or 12. Ten days is calculated by day, and ten days is ten days (a month is divided into three days); Ten years old is ten years old; Ten days can also refer to 12 years. Generally speaking, the 10th anniversary or 30th anniversary refers to a zodiac cycle of 12 years. According to a complete animal year, it is not necessarily a decimal of 10. In life, there are many examples of non-decimals: 60 minutes per hour and 60 seconds per minute; 24 hours a day; 7 days a week, 30 days a month; /kloc-solar terms of 0/5 days; People over 50 should be 60, not 50.

Ten-day related idioms:

1 to 10 months.

Interpretation: Between ten days and one month.

Source: Southern Song Dynasty Ye Fan's "The History of the Later Han Dynasty and Yang Cichuan": "On the tenth day of the month, they all rose." ?

Within a month, we will select talents individually.

2, 30 days nine kinds of food

Definition: You can only eat nine meals in thirty days. Describe a poor family.

Source: Qian's "Antique" poem: "Eat nine times in thirty years and get a crown in ten years."

You can only eat nine meals in thirty days and change clothes once every ten years.