The first month is the first month of the lunar calendar. ?

The first month of the year refers to the first month of the Chinese lunar calendar. After historical evolution, there are three ways to say the first month: 1. The first day of the solar calendar is the first day of the Yin month, which begins after the beginning of spring; 2. The lunar month that is roughly the same time as the Yin month is the first lunar month of the Xia calendar; 3. In popular spoken language, the first month usually refers to the first month of the lunar calendar.

Lunar Calendar

The lunar calendar is the current traditional Chinese calendar. It belongs to the lunisolar calendar, that is, the combined calendar of the lunar calendar and the solar calendar. It is based on the changing cycle of the moon phases. Each moon phase The synodic change is one month, referring to the length of the solar return year as one year, and adding twenty-four solar terms and setting leap months to make the average calendar year adapt to the return year. The lunar calendar combines the lunar calendar and the solar calendar to form a lunisolar calendar.

The calendar is based on the natural laws of celestial changes, measuring long time intervals, judging climate changes, and predicting the coming of seasons. According to calendar years, calendar years and calendar months, it is divided into star calendar, solar calendar, lunar calendar and lunar calendar. There are four overall calendars: lunar calendar (moon calendar), solar calendar (solar calendar), star calendar (Beidou calendar), and lunisolar calendar.

Reference for the above content: Baidu Encyclopedia - Lunar Calendar