1. The first month is the first month of the Chinese lunar calendar. It is the month of January.

2. November on the lunar calendar is the month of winter, also known as the month of Koo, the month of the best, the month of October, mid-winter. December of a year with twelve branches of the earth to represent the words, also known as the "month of the son" called "Jianzi".

3. The twelfth month of the lunar calendar is also known as the month of Lunar New Year, also known as Lunar New Year.

4, the idiom of cold winter and waxing moon, that is, the coldest three months before the year, the cold month for October; winter month for November; waxing moon for December.

5. The six ancient calendars are all lunar calendars, of which the summer calendar has been passed down since the time of Emperor Wu of Han Dynasty.

6, the summer calendar Jian Yin, the first month of the argument there are three:

① the solar month is that the first day of the month of Yin is the first day of the day after the spring,

② with the month of Yin roughly at the same time as the month of the lunar month, is the lunar month of the summer calendar,

③ in the popular colloquialisms, the month of the lunar month is usually referred to the first month of the lunar calendar, the public accustomed to the importance of the lunar calendar on the first day of the first fifteen days of the lunar calendar content, but the number in the ancient and modern mathematics and art In ancient and modern numerology (Zhouyi forecasting and other literature), the first month usually refers to the first month of the solar calendar.