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Four Pillars / Eight Characters
The following are for information purposes only. We should
check Chinese Almanac for getting accurate four pillars/eight characters,
because of, in Gan Zhi system, Chinese solar years and months are determined
according to the transition time of Jie.
Changing Gregorian year into Gan Zhi system,
Stem and Branch.
1. The Gan Zhi, Celestial Stem and Earthly Branch, of AD 4
was Jia Zi. So, substract 4 from any given year.
2. Divide the remainder of subtraction by 60.
3. Find the corresponding Gan Zhi of the remainder of division from
the following table.
Example; find the Gan Zhi of 1999
1999 - 4 = 1995
1995 / 60 = 33 with the remainder 15
15 is Ji Mao referring to the following table.
Please note that Chinese solar years and months are determined according
to the transition time of Jie. A solar year starts at the transition time
of Li Chun, Beginning of Spring, and is measured from Li Chun to Li Chun.
For example,
The year Geng Chen starts on Feb. 4, 2000, 20:41
Chinese coast time.
Accordingly, the year's "Stem and Branch" is Ji Mao, not
Geng Chen, to the time Feb. 4, 2000, 20:00.
| |
Stem
and
Branch |
|
|
Stem
and
Branch |
|
|
Stem
and
Branch |
|
|
Stem
and
Branch |
|
| 0 |
Jia Zi |
  |
15 |
Ji Mao |
  |
30 |
Jia Wu |
 |
45 |
Ji You |
 |
| 1 |
Yi Chou |
  |
16 |
Geng Chen |
  |
31 |
Yi Wei |
 |
46 |
Geng Xu |
 |
| 2 |
Bing Yin |
  |
17 |
Xin Si |
  |
32 |
Bing Shen |
 |
47 |
Xin Hai |
 |
| 3 |
Ding Mao |
 |
18 |
Ren Wu |
 |
33 |
Ding You |
|
48 |
Ren Zi |
|
| 4 |
Wu Chen |
 |
19 |
Gui Wei |
 |
34 |
Wu Xu |
|
49 |
Gui Chou |
|
| 5 |
Ji Si |
|
20 |
Jia Shen |
|
35 |
Ji Hai |
|
50 |
Jia Yin |
|
| 6 |
Geng Wu |
|
21 |
Yi You |
|
36 |
Geng Zi |
|
51 |
Yi Mao |
|
| 7 |
Xin Wei |
|
22 |
Bing Xu |
|
37 |
Xin Chou |
|
52 |
Bing Chen |
|
| 8 |
Ren Shen |
|
23 |
Ding Hai |
|
38 |
Ren Yin |
|
53 |
Ding Si |
|
| 9 |
Gui You |
|
24 |
Wu Zi |
|
39 |
Gui Mao |
|
54 |
Wu Wu |
|
| 10 |
Jia Xu |
|
25 |
Ji Chou |
|
40 |
Jia Chen |
|
55 |
Ji Wei |
|
| 11 |
Yi Hai |
|
26 |
Geng Yin |
|
41 |
Yi Si |
|
56 |
Geng Shen |
|
| 12 |
Bing Zi |
|
27 |
Xin Mao |
|
42 |
Bing Wu |
|
57 |
Xin You |
|
| 13 |
Ding Chou |
|
28 |
Ren Chen |
|
43 |
Ding Wei |
|
58 |
Ren Xu |
|
| 14 |
Wu Yin |
|
29 |
Gui Si |
|
44 |
Xu Shen |
|
59 |
Gui Hai |
|
Changing the month into Gan Zhi system.
In each year, Earthly Branch of the first month's is Yin, and
months' branches are arranged in sequence. Yin, ,
indicates all creatures begin to be active. The Stem of the first month
is determined by the Stem of the year's.
|
Year's Stem
|
The Stem of The First Month
|
|
Jia or Ji
|
Bing
|
|
Yi or Geng
|
Wu
|
|
Bing or Xin
|
Geng
|
|
Ding or Ren
|
Ren
|
|
Wu or Gui
|
Gui
|
Please note that Chinese solar months are determined according
to the transition time of Jie. The following table shows the duration of
each month in AD 2000, the year Geng Chen.
Date
(year/month/day)
|
Transition
Time
|
|
24 Jie Qi
(J: Jie, Q: Zhong Qi)
|
Month
(After the transition time)
|
|
2000/2/4
|
20:41
|
 |
Li Chun (J); Beginning of Spring |
,
Wu Yin |
|
2000/2/19
|
16:34
|
 |
Yu Shui (Q); Rain Water |
|
|
2000/3/5
|
14:43
|
 |
Jing Zhe (J); Waking of Insects |
,
Ji Mao |
|
2000/3/20
|
15:36
|
 |
Chun Fen (Q); Spring Equinox |
|
|
2000/4/4
|
19:32
|
 |
Qing Ming (J); Pure Brightness |
,
Geng Chen |
|
2000/4/20
|
02:40
|
 |
Gu Yu (Q); Grain Rain |
|
|
2000/5/5
|
12:50
|
 |
Li Xia (J); Beginning of Summer |
,
Xin Si |
|
2000/5/21
|
01:50
|
 |
Xiao Man (Q); Grain Full |
|
|
2000/6/5
|
16:59
|
 |
Mang Zhong (J); Grain in Ear |
,
Ren Wu |
|
2000/6/21
|
09:48
|
 |
Xia Zhi (Q); Summer Solstice |
|
|
2000/7/7
|
03:14
|
 |
Xiao Shu (J); Slight Heat |
,
Gui Wei |
|
2000/7/22
|
20:43
|
 |
Da Shu (Q); Great Heat |
|
|
2000/8/7
|
13:03
|
 |
Li Qiu (J); Beginning of Autumn |
,
Jia Shen |
|
2000/8/23
|
03:49
|
 |
Chu Shu (Q); Limit of Heat |
|
|
2000/9/7
|
15:59
|
 |
Bai Lu (J); White Dew |
,
Yi You |
|
2000/9/23
|
01:28
|
 |
Qiu Fen (Q); Autumn Equinox |
|
|
2000/10/8
|
07:39
|
 |
Han Lu (J); Cold Dew |
,
Bing Xu |
|
2000/10/23
|
10:48
|
 |
Shuang Jiang (Q); Descent of Frost |
|
|
2000/11/7
|
10:49
|
 |
Li Dong (J); Beginning of Winter |
,
Ding Hai |
|
2000/11/22
|
08:20
|
 |
Xiao Xue (Q); Slight Snow |
|
|
2000/12/7
|
03:38
|
 |
Da Xue (J); Great Snow |
,
Wu Zi |
|
2000/12/21
|
21:38
|
 |
Dong Zhi (Q); Winter Solstice |
|
|
2001/1/5
|
14:50
|
 |
Xiao Hau (J); Slight Cold |
,
Ji Chou |
|
2001/1/20
|
08:17
|
 |
Da Han (Q); Great Cold |
|
|
2001/2/4
|
02:29
|
|
Li Chun (J); Beginning of Spring |
|
Calculations are based on Chinese coast time, the meridian 120º
East.
Changing the day into Gan Zhi system.
The Gan Zhi of Jan. 1, 1921 was Jia Zi. And, the Gan Zhi of
Jan. 1, 2001 is Jia Ji. Accordingly, it is easy to find the Gan Zhi of
any given day after Jan. 1, 1921.
1. Count the total of days between the given day and Jan. 1, 1921.
2. Substract 1 from the total of days.
3. Divide the remainder of subtraction by 60.
4. Find the corresponding Gan Zhi of the remainder of division from
the above Gan Zhi table.
Please note the following rules.
A common Gregorian year is 365 days in length; a leap year is 366 days.
Every year that is exactly divisible by 4 is a leap year, except for
years that are exactly divisible by 100; these centurial years are leap
years only if they are exactly divisible by 400.
Days are measured from midnight to midnight. For example,
Before Jan. 1, 2000 00:00, the Gan Zhi of the day is Ding
Si.
After Jan. 1, 2000 00:00, the Gan Zhi of the day is Wu
Wu.
Changing the hour into Gan Zhi system.
A Chinese Hour is 2 Western Hours. A Chinese Hour is called
Shi in Mandarin. A western hour was named Xiao Shi in Mandarin, after the
western system was introduced into China. Xiao Shi literally means "small
Shi (Chinese hour)". The Stem of the Zi Shi can be determined by the Stem
of the day's.
|
Day's stem
|
Shi's stem
|
|
Jia or Ji
|
Jia
|
|
Yi or Geng
|
Bing
|
|
Bing or Xin
|
Wu
|
|
Ding or Ren
|
Geng
|
|
Wu or Hai
|
Ren
|
Please note that the stem of the western hour from 23:00 to
00:00 is set by according to the stem of the next day's. For example,
The stem of the day Dec. 31, 1999 is Ding
The stem of the day Jan. 1, 2000 is Wu.
|
Chinese Hour's
Gan Zhi
|
|
Dec.31, 1999 23:00 to Jan. 1, 2000
01:00
|
Ren Zi
|
|
Jan. 1, 2000 01:00 to 03:00
|
Gui Chou
|
|
Jan. 1, 2000 03:00 to 05:00
|
Jia Yin
|
|
Jan. 1, 2000 05:00 to 07:00
|
Yi Mao
|
|
Jan. 1, 2000 07:00 to 09:00
|
Bing Chen
|
|
Jan. 1, 2000 09:00 to 11:00
|
Ding Si
|
|
Jan. 1, 2000 11:00 to 13:00
|
Wu Wu
|
|
Jan. 1, 2000 13:00 to 15:00
|
Ji Wei
|
|
Jan. 1, 2000 15:00 to 17:00
|
Geng Shen
|
|
Jan. 1, 2000 17:00 to 19:00
|
Xin You
|
|
Jan. 1, 2000 19:00 to 21:00
|
Ren Xu
|
|
Jan. 1, 2000 21:00 to 23:00
|
Gui Hai
|
|
Jan. 1, 2000 23:00 to Jan. 2, 2000
01:00
|
Jia Zi
|
Home Tai Chu
Calendar Conversion Table for
Years 1900-2001
Chinese Almanac (Tong Sing / Tong
Shu) Feng Shui Classics
(in Chinese)
Yi Glossary
Flying Star Chart
Calendar Converter (Gan Zhi Calendar,
Chinese Lunar Calendar)
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