Who is the inventor of the Chinese lunar calendar?

The inventor of the Chinese lunar calendar was Wannian of the Xia Dynasty.

He invented the perpetual calendar based on the lunar calendar and the movement of the sun, so later generations also called the lunar calendar the perpetual calendar.

The lunar calendar is the traditional Chinese calendar. It belongs to the lunar and yang calendar. Its years are divided into ordinary years and leap years. There are twelve months in ordinary years and thirteen months in leap years.

The lunar calendar takes into account the relationship between the sun, the moon and the earth. It is a fixed calendar with the characteristics of an astronomical calendar and can well correspond to various celestial phenomena.

There are only two types of days in the lunar calendar: 29 and 30 days, and the beginning of the year has strong astronomical significance as the lunar month and yang year.