How to calculate date of birth?

The method of calculating the date of birth: calculate the "apparent solar time difference" according to the solar terms (ecliptic) and the "local longitude time difference" according to the place of birth.

Date of birth, abbreviated as eight characters, refers to the calendar date when a person is born; Year, month and day have four pillars and branches, each with two words, a total of eight words, so it is called. Birthday plays an important role in Han folk beliefs, and ancient Han astrologers calculate people's fate accordingly. The expression of the eight characters is four pillars of Japanese law, four pillars of lunar law, or four pillars of Japanese law and lunar law.

Monthly trunk and annual trunk branches refer to 1 chart and monthly table. If the annual stem is a or self, then the stem in the first month of that year is C Yin; If the annual stem is B or G, the stem in the first month of that year is Wuyin; If the annual work is C or Xin, the work in the first month of that year is Geng Yin; If the annual work is Ding or Ren, then the work in the first month of that year is Ren Yin.

Calculation rhythm of birthday

Arranging eight characters is a basic skill. With the development of modern science, many websites provide online ordering service, which is very convenient. There is also a perpetual calendar application, which can directly provide a calendar table and convert different calendar dates. Note that the dividing line between the previous year and the following year is based on the intersection time of beginning of spring, not on the first day of the first lunar month.

The arrangement of four pillars is actually very simple, and the cheats or technical contents mainly include the legislation of luck and the grasp of the relationship between time and four pillars or six pillars and the rhythm of luck. If you don't know your own laws of the sun and the moon, the accuracy of the prediction will be greatly reduced. Chronology is a chronology based on tree trunk and branch calendars.