Is birthdate lunar or solar?

Birthdate is a lunar calendar. Lunar calendar in the traditional Chinese calendar mainly refers to the calendar that is organized according to the changes in the moon's cycle of phases, while the solar calendar is a calendar based on the cycle of motion of the Earth's revolution around the sun. The Lunar Calendar, on the other hand, is based on the cycle of the Earth's revolution around the Sun. The Lunar Calendar, by referring to the solar return year and setting up intercalary months to make the average calendar year compatible with the return year, is a kind of yin and yang calendar formed by integrating the Lunar Calendar and the Solar Calendar.

The eight characters of birth

It is the year, month, day and hour of birth expressed in terms of the heavenly stems and earthly branches, two characters per column **** eight characters, so it is called the eight characters. Such as a person's eight characters: A Yin year, Xin Wei month, Dec You day, Dec Hai time, we can see that the eight characters of the birth is the time of a person's birth, is the time of birth of each column with the Heavenly Stems and Earthly Branches to indicate that the birth time, the eight characters of the birth is the year, month, day, and hour of our birth, and now we are commonly referred to as the eight characters in the Zhouyi forecasting, the formal name is: the four columns of eight characters.