How to convert eight characters

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. Eight-character prediction is developing continuously in practice. From Li's tripartite confrontation to Li's tripartite confrontation, and then to the four pillars of the sun, the moon and the moon, every step of progress contains the hard work of scholars and social practice activists in past dynasties. In order to get the correct birth time, the ancient Han people thought that the sundial instrument was the most accurate measurement during the day. When the clock time is the artificial average time and the regional standard, it is necessary to calculate the "apparent solar time difference" according to the solar terms (ecliptic) and the "local longitude time difference" according to the place of birth, so as to get the real astronomical birth time. In the almanac, there are basically annual and daily branches, while monthly and hourly branches can be calculated according to the annual and daily branches. 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 stem is Ding or Ren, then the stem in the first month of that year is Ren Yin; If the year's work is the Reform Movement of 1898 or the year's work in the first month of that year is Jiayin. Zi Shi: 23: 00- 12: 59 am ugly: 1: 00 am Yin Shi: 3:00-4:59 am Shi Mao: 5:00-6:59 am: 7:00-8:59 am: 9: 00-659 am. -14: 59pm:15pm-16: 59pm:17pm-18: 59pm:19pm-20: 59pm If the trunk of that day is If the trunk of the day is B or G, the trunk of the day is C; If the Japanese stem is C or Xin, the Japanese stem is Wuzi; If the daily work is Ding or Ren, the daily work is Geng Zi; If a day's work is e or decyl, then a day's work is not nut.