How to calculate date of birth?
Date of birth, abbreviated as eight characters, refers to the calendar date when a person is born; Year, month and sun 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 tripartite confrontation between the sun and the moon, every step contains the hard work of scholars and social practitioners of all ages.
In order to get the correct birth time, the ancient Han people thought that the sundial instrument was the most accurate measurement method during the day. When the clock time is the artificial average time and the regional standard, we must 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 branches and daily branches, while monthly branches and hourly branches can be calculated according to annual branches and daily branches. Please refer to the monthly table of 1 picture for the branches of monthly stem and annual stem.
Birthday procession:
First, in chronological order.
The chronological column, that is, the year when a person was born, is represented by branches. Note: The dividing line between last year and next year is based on the intersection time of beginning of spring, not the first day of the first month. For example, if someone was born at 22: 00 on February 4th in the solar calendar year, because the beginning of spring time in the lunar calendar year is at 20: 32 on February 4th in the solar calendar year, this person's year is listed in Chen Geng, not at the end of the year.
Second, the moon column.
Moon column, that is, the festival in which the branches represent the date of birth. Note that the monthly branch is not divided by the first day of each month in the lunar calendar, but by festivals. Before the handover, it was the festival of last month, and after the handover, it was the festival of next month.
The lunar calendar takes November as the next month, December as the ugly month and January as the silver moon. Next are Uzuki in February, Chen Yue in March, Mitsuki in April, noon in May, moonless in June, Shen Yue in July, Unitary month in August, Garrison month in September and Moon in October. But1February mentioned in the phase is different, which is marked by 24 solar terms. Birthday hand algorithm. In this way, as long as you know the month of the birth calendar, you will know the earthly branch of the birth month.
Third, the sun column
Rizhu, that is, the birth date of the representative of the main branch of the lunar calendar is recorded every 60 days. Because of the difference between big and small months and leap years, the Japanese branch needs to find a perpetual calendar. In addition, the dividing line between day and day is divided by hours, that is, before eleven o'clock is the hour of the previous day, and after eleven o'clock is the hour of the next day. Don't think that midnight is the dividing line.
Heavenly stems and earthly branches's birthday calculation is very complicated. It was decided by the ancient fortune teller, and then pushed down in turn. If you want to know your birthday, you can only check the perpetual calendar, solar calendar and perpetual calendar. If you don't know how many calendars you have, you can check the perpetual calendar.
Fourth, the time bar.
The time column represents the time when a person was born. In the lunar calendar, one hour spans two hours, so there are twelve hours in total.