Method of Working Out of Day Pillar Arithmatically

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Method Of Working Out Of Day Pillar Arithmatically

Assigning of numbers to 60 Jia Zi

1 Jia Zi 11 Jia Xu 21 Jia Shen

2 Yi Chou 12 Yi Hai 22 Yi You

3 Bing Yin 13 Bing Zi 23 Bing Xu

4 Ding Mao 14 Ding Chou 24 Ding Hai

5 Wu Chen 15 Wu Yin 25 Wu Zi

6 Ji Si 16 Ji Mao 26 Ji Chou

7 Geng Wu 17 Geng Chen 27 Geng Yin8 Xin Wei 18 Xin Si 28 Xin Mao

9 Ren Shen 19 Ren Wu 29 Ren Chen

10 Gui You 20 Gui Wei 30 Gui Si

31 Jia Wu 41 Jia Chen 51 Jia Yin

32 Yi Wei 42 Yi Si 52 Yi Mao

33 Bing Shen 43 Bing Wu 53 Bing Chen

34 Ding You 44 Ding Wei 54 Ding Si

35 Wu Xu 45 Wu Shen 55 Wu Wu

36 Ji Hai 46 Ji You 56 Ji Wei

37 Geng Zi 47 Geng Xu 57 Geng Shen

38 Xin Chou 48 Xin Hai 58 Xin You

39 Ren Yin 49 Ren Zi 59 Ren Yu

40 Gui Mao 50 Gui Chou 60 Gui Hai

First of all, imagine that you put up a row of 60 chairs and you number them starting from 1 to number

60.

The First Chair has a number of 1 on it. The third chair has a number of 3 on it. The tenth chair has a

number of 10 on it. And the last chair has a number of 60 on it.

Now imagine you make another 60 new chairs with different colour and you also number them starting

from 1 to number 60. And you arrange this 60 new chair following the first 60 new chairs.

The sixty first chair will have a Number of 1 on it. The seventieth chair will have a number 10 on it.

The chair number 90 will have a number of 30 on it. The number 120 will have a number of 60 on it.

Now using the table above, you have to prepare 60 new sticker (2 sets) with Jia Zi, Yi Chou until Gui

Hai on each sticker.

Now you paste Jia Zi sticker on the chairs with number 1 and number 61. Yi Chou stickers on the chair

number 2 and 62 until each chair with a number and a sticker with Jia Zi pillars.



2

Familiarize number with the 60 Jia Zi.

We know that there are only 10 stems and they are very to remember, that is Jia, Yi, Bing, Ding, Wu,

Ji, Geng, Xin, Ren, Gui, that is following the order of wood grow fire, fire grow earth, earth grow

metal and metal grow water.

From the table above, you can see 1, 11, 21, 31, 41 and 51 have a Jia stem.From the table above, you can see 2, 12, 22, 32, 42 and 52 have a Yi stem.

To simplify, number ending with 1 is Jia,

number ending with 2 is Yi

number ending with 3 is Bing

number ending with 4 is Ding

number ending with 5 is Wu

number ending with 6 is Ji

number ending with 7 is Geng

number ending with 8 is Xin

number ending with 9 is Ren

number ending with 0 is Gui.

Now, just do some testing, chair with number 25 has a day stem of Wu.

Chair with number of 56 has a day stem of Ji earth.

Once you have familiarize yourself to determine the day stem by any of this 60 number.

We will proceed to find the earthly branch of this 60 numbers.

Method To Determine The Earthly Branch Of A Day Pillar

1 Zi

2 Chou

3 Yin

4 Mao

5 Chen

6 Si

7 Wu

8 Wei

9 Shen

10 You

11 Xu

12 Hai

In order for you to work out the earthly branch of any day without looking at the calendar, you have to

remember the number assign to each number in this table.

1 is for Zi, 2 is for Chou in sequence until 12 if for Hai.

Out of the 60 number (1 to 60), let says you take 49, you just have to remove any multiple of 12 and

the balance is 1 (after taking off 4 x 12), 1 is Zi, so 49 is Zi.

Another number, let says 35, after minus 2 x 12=24, you have 11, 11 means Xu.

For stem 35, 5 means Wu.

So 35 is Wu Xu.



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So you have to make yourself very confidence by changing any number from 1 to 60 to get the stem

and branch frequently.

NEXT WE LOOK AT THE CALENDAR

We know that there are 365 days in a year but there are 366 days in years of 1996, 2000 and 2004 etc.

Let says when there are 365 days in a year and when we consider there are 365 chairs in a row, there

are 6 times of 60 Jia Zi and we can take away the 360 chair with only 5 chair remains for a year with365 days.

Let says when there are 366 days in a year and when we consider there are 366 chairs in a row, there

are 6 times of 60 Jia Zi and we can take away the 360 chair with only 6 chair remains for a year with

366 days.

Now we look at the calendar below, Jan 1, 1969 the first day of 1969 has the chair with the number of

13 that is day of Bing Zi.

To work out the first day of 1970, there are 365 days in 1969, after taking away 360, there are only five

chairs in 1969, first chair is No. 13, second chair is No. 14, third chair is number 15, fourth chair is

number 16, fifth chair is number 17. There is only 5 chair in year of 1969. So the last day of 1969, i.e

31 December 1969 is number 17 which is Geng Chen.

The next chair number 18 is the first day of 1970. So the day pillar for Jan 1, 1970 is Chair No. 18

which is Xin Si Day.

Year Chair No. Date

1969 13 1 Jan 1969

14

15

16

17

1970 18 1 Jan 1970

19

20

21

221971 23 1 Jan 1971

24

25

26

27

1972 28 1 Jan 1972

29

30

31

32

33

1973 34 1 Jan 1973

35



4

36

37

38

1974 39 1 Jan 1974

40

4142

43

1975 44 1 Jan 1975

45

46

47

48

1976 49 1 Jan 1976

50

51

52

53

54

1977 55 1 Jan 1977

56

57

58

59

1978 60 1 Jan 1978

1

2

3

41979 5 1 Jan 1979

6

7

8

9

1980 10 1 Jan 1980

11

12

13

14

15

Knowing that in years of 1972, 1976, 1980, 1984, 1988, 1992, 1996, 2000, 2004 etc there are 366 days,

you will have 6 chairs in this years.

By adding 5 to first day of previous year, we will get the first day (first chair) of Jan 1 of every year.

Date Chair No.

1 Jan 1969 13

1 Jan 1970 181 Jan 1971 23



5

1 Jan 1972 28

1 Jan 1973 34

1 Jan 1974 39

1 Jan 1975 44

1 Jan 1976 49

1 Jan 1977 551 Jan 1978 60

1 Jan 1979 5

1 Jan 1980 10

1 Jan 1981 16

1 Jan 1982 21

1 Jan 1983 26

1 Jan 1984 31

1 Jan 1985 37

1 Jan 1986 42

1 Jan 1987 47

1 Jan 1988 52

1 Jan 1989 58

1 Jan 1990 3

1 Jan 1991 8

1 Jan 1992 13

1 Jan 1993 19

1 Jan 1994 241 Jan 1995 29

1 Jan 1996 34

1 Jan 1997 40

1 Jan 1998 45

1 Jan 1999 50

1 Jan 2000 55

1 Jan 2001 1

1 Jan 2002 6

1 Jan 2003 11

1 Jan 2004 16

From the table above 1 Jan 2001 has a chair number 1, this means the day pillar for 1 Jan 2001 is Jia

Zi.

From the table above 1 Jan 2000 has a chair number 55, this means the day pillar for 1 Jan 2000 is Wu

Wu.

You have to familiarize yourself to get the number for the first day of every year, and also you must be

able to convert the number to the day pillar using the previous 2 sessions.

You just have to memorise 1 number for only the first day of a particular year, you can work out therest of the number by fingers arithmatics.



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Date Chair No. Date Chair No. Date Chair No.

1 Jan 1969 13 1 Jan 1981 16 1 Jan 1993 19

1 Jan 1970 18 1 Jan 1982 21 1 Jan 1994 241 Jan 1971 23 1 Jan 1983 26 1 Jan 1995 29

1 Jan 1972 28 1 Jan 1984 31 1 Jan 1996 34

1 Jan 1973 34 1 Jan 1985 37 1 Jan 1997 40

1 Jan 1974 39 1 Jan 1986 42 1 Jan 1998 45

1 Jan 1975 44 1 Jan 1987 47 1 Jan 1999 50

1 Jan 1976 49 1 Jan 1988 52 1 Jan 2000 55

1 Jan 1977 55 1 Jan 1989 58 1 Jan 2001 1

1 Jan 1978 60 1 Jan 1990 3 1 Jan 2002 6

1 Jan 1979 5 1 Jan 1991 8 1 Jan 2003 11

1 Jan 1980 10 1 Jan 1992 13 1 Jan 2004 16

Let me rearrange the number of first chair in every year in the above manner.

Let me explain again, for example Jan 1, 1988, the first chair is number 52, from the table above or the

above formula for stem and branch, 52 is day of Yi Mao.

When we arrange the above start date of a year in this manner, when you check horizontally, that is

every change of 12 years, for example 1972 to 1984, the number change from 28 to 31, there is an

increase of 3. or another example from 1984 to 1996, the number change from 31 to 34, there is an

increase of 3 also.

This will fasten your hand calculation to work out the day pillar for first day of each year.

CALCULATION THE DAY PILLAR OF ANY DAY

For the above work out, we have to know the number of days in each and every month.

Table of working for 365 days in a year.

Month No.of day in the month Accumulative days Add or Minus

January 31 31

February 28 59 -1

March 31 90

April 30 120 0

May 31 151

June 30 181 1

July 31 212

August 31 243 3

September 30 273

October 31 304 4

November 30 334

December 31 365 5



7

Total 365

To Home Page

Those number at the add or minus is the short cut method.

Let us consider March 1 2003, we know that the chair number for Jan 1, 2003 is 11,

There are 31 chairs in Jan 2003 and 28 chairs in Feb 2003, that is a total of 59 chairs in Jan and Feb

2003. March 1, 2003 is the number 60 chair. If the first chair has number 1, the number 60 chairs will

have number 60.

But now the first chair is 11, the number 60 chairs will be 70 that is 10. So March 1 2003 is a 10

identity, that is day of Gui You.

For the quick method

1 Jan 2003 that is 11

1 March 2003 is 11 +(-1) that is 10 (day of Gui You)

For example for the quick method for 1 September 2003


1 September 2003 is 11 +(+3) that is 14 (day of Ding Chou)

For example for the quick method for 1 November 2003


1 November 2003 is 11 +(+4) that is 15 (day of Wu Yin)



January 31 31

February 29 60 0

March 31 91

April 30 121 1

May 31 152

June 30 182 2

July 31 213

August 31 244 4

September 30 274

October 31 305 5

November 30 335

December 31 366 6

Total 366

http://www.oocities.org/megasign388/index.html





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Day Pillar For 1st January from year 1719 to 2000

Day Pillar For

Year 1st January

2000 55

1999 501998 45

1997 40

1996 34

1995 29

1994 24

1993 19

1992 13

1991 8

1990 3

1989 58

1988 52

1987 471986 42

1985 37

1984 31

1983 26

1982 21

1981 16

1980 10

1979 5

1978 0

1977 55

1976 49

1975 44

1974 39

1973 34

1972 28

1971 23

1970 18

1969 13

1968 7

1967 2

1966 57

1965 52

1964 461963 41

1962 36

1961 31

1960 25

1959 20

1958 15

1957 10

1956 4

1955 59

1954 54

1953 49

1952 431951 38



9

1950 33

1949 28

1948 22

1947 17

1946 12

1945 7

1944 1

1943 56

1942 51

1941 46

1940 40

1939 35

1938 30

1937 25

1936 19

1935 14

1934 9

1933 41932 58

1931 53

1930 48

1929 43

1928 37

1927 32

1926 27

1925 22

1924 16

1923 11

1922 6

1921 1

1920 55

1919 50

1918 45

1917 40

1916 34

1915 29

1914 24

1913 19

1912 13

1911 8

1910 3

1909 58

1908 52

1907 47

1906 42

1905 37

1904 31

1903 26

1902 21

1901 16

1900 11

1899 6

1898 11897 56



10

1896 50

1895 45

1894 40

1893 35

1892 29

1891 24

1890 19

1889 14

1888 8

1887 3

1886 58

1885 53

1884 47

1883 42

1882 37

1881 32

1880 26

1879 211878 16

1877 11

1876 5

1875 60

1874 55

1873 50

1872 44

1871 39

1870 34

1869 29

1868 23

1867 18

1866 13

1865 8

1864 2

1863 57

1862 52

1861 47

1860 41

1859 36

1858 31

1857 26

1856 20

1855 15

1854 10

1853 5

1852 59

1851 54

1850 49

1849 44

1848 38

1847 33

1846 28

1845 23

1844 171843 12



11

1842 7

1841 2

1840 56

1839 51

1838 46

1837 41

1836 35

1835 30

1834 25

1833 20

1832 14

1831 9

1830 4

1829 59

1828 53

1827 48

1826 43

1825 381824 32

1823 27

1822 22

1821 17

1820 11

1819 6

1818 1

1817 56

1816 50

1815 45

1814 40

1813 35

1812 29

1811 24

1810 19

1809 14

1808 8

1807 3

1806 58

1805 53

1804 47

1803 42

1802 37

1801 32

1800 27

1799 22

1798 17

1797 12

1796 6

1795 1

1794 56

1793 51

1792 45

1791 40

1790 351789 30



12

1788 24

1787 19

1786 14

1785 9

1784 3

1783 58

1782 53

1781 48

1780 42

1779 37

1778 32

1777 27

1776 21

1775 16

1774 11

1773 6

1772 60

1771 551770 50

1769 45

1768 39

1767 34

1766 29

1765 24

1764 18

1763 13

1762 8

1761 3

1760 57

1759 52

1758 47

1757 42

1756 36

1755 31

1754 26

1753 21

1752 15

1751 10

1750 5

1749 60

1748 54

1747 49

1746 44

1745 39

1744 33

1743 28

1742 23

1741 18

1740 12

1739 7

1738 2

1737 57

1736 511735 46



13

1734 41

1733 36

1732 30

1731 25

1730 20

1729 15

1728 9

1727 4

1726 59

1725 54

1724 48

1723 43

1722 38

1721 33

1720 27

1719 22

ref no day pillar ref no day pillar ref no day pillar

1Jia Zi 11Jia Xu 21Jia Shen

2Yi Chou 12Yi Hai 22Yi You

3Bing Yin 13Bing Zi 23Bing Xu

4Ding Mao 14Ding Chou 24Ding Hai

5Wu Chen 15Wu Yin 25Wu Zi

6Ji Si 16Ji Mao 26Ji Chou

7Geng Wu 17Geng Chen 27Geng Yin

8Xin Wei 18Xin Si 28Xin Mao

9Ren Shen 19Ren Wu 29Ren Chen

10Gui You 20Gui Wei 30Gui Si

31Jia Wu 41Jia Chen 51Jia Yin

32Yi Wei 42Yi Si 52Yi Mao

33Bing Shen 43Bing Wu 53Bing Chen

34Ding You 44Ding Wei 54Ding Si

35Wu Xu 45Wu Shen 55Wu Wu

36Ji Hai 46Ji You 56Ji Wei

37Geng Zi 47Geng Xu 57Geng Shen

38Xin Chou 48Xin Hai 58Xin You

39Ren Yin 49Ren Zi 59Ren Yu

40Gui Mao 50Gui Chou 60Gui Hai

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Method Of Working Out Of Year Pillar Arithmatically

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14

Assigning of numbers to 60 Jia Zi



3 Bing Yin 13 Bing Zi 23 Bing Xu

4 Ding Mao 14 Ding Chou 24 Ding Hai



7 Geng Wu 17 Geng Chen 27 Geng Yin

8 Xin Wei 18 Xin Si 28 Xin Mao













First of all, imagine that you put up a row of 60 chairs and you number them starting from 1 to number

60.

The First Chair has a number of 1 on it. The third chair has a number of 3 on it. The tenth chair has a

number of 10 on it. And the last chair has a number of 60 on it.

Now imagine you make another 60 new chairs with different colour and you also number them starting

from 1 to number 60. And you arrange this 60 new chair following the first 60 new chairs.

The sixty first chair will have a Number of 1 on it. The seventieth chair will have a number 10 on it.

The chair number 90 will have a number of 30 on it. The number 120 will have a number of 60 on it.

Now using the table above, you have to prepare 60 new sticker (2 sets) with Jia Zi, Yi Chou until GuiHai on each sticker.

Now you paste Jia Zi sticker on the chairs with number 1 and number 61. Yi Chou stickers on the chair

number 2 and 62 until each chair with a number and a sticker with Jia Zi pillars.Familiarize number with the 60 Jia Zi.

We know that there are only 10 stems and they are very to remember, that is Jia, Yi, Bing, Ding, Wu,

Ji, Geng, Xin, Ren, Gui, that is following the order of wood grow fire, fire grow earth, earth growmetal and metal grow water.

From the table above, you can see 1, 11, 21, 31, 41 and 51 have a Jia stem.

From the table above, you can see 2, 12, 22, 32, 42 and 52 have a Yi stem.

To simplify, number ending with 1 is Jia,

number ending with 2 is Yi

number ending with 3 is Bing

number ending with 4 is Ding

number ending with 5 is Wu

number ending with 6 is Ji

number ending with 7 is Gengnumber ending with 8 is Xin



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number ending with 9 is Ren

number ending with 0 is Gui.

Now, just do some testing, chair with number 25 has a day stem of Wu.Chair with number of 56 has a day stem of Ji earth.

Once you have familiarize yourself to determine the day stem by any of this 60 number.

We will proceed to find the earthly branch of this 60 numbers.

Method To Determine The Earthly Branch Of A Year Pillar 1 Zi2 Chou

3 Yin

4 Mao

5 Chen

6 Si

7 Wu8 Wei

9 Shen

10 You

11 Xu

12 HaiIn order for you to work out the earthly branch of any year without looking at the calendar, you have to

remember the number assign to each number in this table.

1 is for Zi, 2 is for Chou in sequence until 12 if for Hai.

Out of the 60 number (1 to 60), let says you take 49, you just have to remove any multiple of 12 and

the balance is 1 (after taking off 4 x 12), 1 is Zi, so 49 is Zi.

Another number, let says 35, after minus 2 x 12=24, you have 11, 11 means Xu.For stem 35, 5 means Wu.

So 35 is Wu Xu.

So you have to make yourself very confidence by changing any number from 1 to 60 to get the stem

and branch frequently.

NEXT WE LOOK AT YEAR OF JIA ZI, WHICH IS 1984 WITH AN ASSIGN NUMBER OF 1.

THAT MEANS WE WILL GET THE ASSIGN NUMBER THAT MATCH WITH THE YEARPILLAR IN THE TABLE ABOVE BY DEDUCTING 1983.

EXAMPLE 1 - YEAR OF 1999 (MEANING 4 FEB 1999 TO 4 FEB 2000)

WE HAVE 1999 - 1983 = 16 (YEAR PILLAR IS JI MAO)


WE HAVE 2005 - 1983 = 22 (YEAR PILLAR IS YI YOU)


WE HAVE 1960 + 60 - 1983 = 37 (YEAR PILLAR OF GENG ZI)



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To Home Page

Method Of Working Out Of Day Pillar By Table

Table 1 -Assigning of numbers to 60 Jia Zi



3 Bing Yin 13 Bing Zi 23 Bing Xu4 Ding Mao 14 Ding Chou 24 Ding Hai



7 Geng Wu 17 Geng Chen 27 Geng Yin

8 Xin Wei 18 Xin Si 28 Xin Mao













Table 2 - Starting Number Of A Year

Date Chair No. Date Chair No. Date Chair No.

1 Jan 1969 13 1 Jan 1981 16 1 Jan 1993 19 1 Jan 1970 18 1 Jan 1982 21 1 Jan 1994 24






17

1 Jan 1971 23 1 Jan 1983 26 1 Jan 1995 29

1 Jan 1972 28 1 Jan 1984 31 1 Jan 1996 34

1 Jan 1973 34 1 Jan 1985 37 1 Jan 1997 40

1 Jan 1974 39 1 Jan 1986 42 1 Jan 1998 45

1 Jan 1975 44 1 Jan 1987 47 1 Jan 1999 50 1 Jan 1976 49 1 Jan 1988 52 1 Jan 2000 55

1 Jan 1977 55 1 Jan 1989 58 1 Jan 2001 1

1 Jan 1978 60 1 Jan 1990 3 1 Jan 2002 6

1 Jan 1979 5 1 Jan 1991 8 1 Jan 2003 11

1 Jan 1980 10 1 Jan 1992 13 1 Jan 2004 16

Table 3A - 365 DAY IN A YEAR - NUMBERING



January 31 31

February 28 59 -1

March 31 90

April 30 120 0

May 31 151 June 30 181 1

July 31 212

August 31 243 3

September 30 273

October 31 304 4

November 30 334

December 31 365 5

Total 365

Table 3B - 366 DAY IN A YEAR - NUMBERING



January 31 31 February 29 60 0



18

March 31 91

April 30 121 1

May 31 152

June 30 182 2

July 31 213 August 31 244 4

September 30 274

October 31 305 5

November 30 335

December 31 366 6

Total 366

EXAMPLE 1 - TO WORK OUT DAY PILLAR OF 11 NOVEMBER 1988.

FORMULA = 52 (TABLE 2 - 1 JAN 1988) + 305 (TABLE 3B-OCT) +11(11 OF NOVEMBER)-1

ANSWER = 367 (THEN - 360)

ANSWER = 7 (GENG WU DAY - FROM TABLE 1)

EXAMPLE 2 - TO WORK OUT DAY PILLAR OF 1 MAY 2004.

FORMULA = 16 (TABLE 2 - 1 JAN 2004) + 121 (TABLE 3B-FOR APRIL) +1(1 OF MAY)-1

ANSWER = 137 (THEN - 120)

ANSWER = 17 (GENG CHEN DAY - FROM TABLE 1)

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Method of Working Out of Day Pillar Arithmatically