天干地支 · Stems & Branches

干支

Heavenly Stems & Earthly Branches

10 Stems, 12 Branches, Lo Shu, and 24 Mountains.

10 Heavenly Stems 天干 (B.1)

#	Stem 天干	Pinyin	Element 五行	Polarity 陰陽	Direction 方位	Colour 顏色	Number 數
1	甲	Jiǎ	Wood 木	Yang 陽	East	Green	3
2	乙	Yǐ	Wood 木	Yin 陰	East	Green	8
3	丙	Bǐng	Fire 火	Yang 陽	South	Red	7
4	丁	Dīng	Fire 火	Yin 陰	South	Red	2
5	戊	Wù	Earth 土	Yang 陽	Centre	Yellow	5
6	己	Jǐ	Earth 土	Yin 陰	Centre	Yellow	10
7	庚	Gēng	Metal 金	Yang 陽	West	White	9
8	辛	Xīn	Metal 金	Yin 陰	West	White	4
9	壬	Rén	Water 水	Yang 陽	North	Black	1
10	癸	Guǐ	Water 水	Yin 陰	North	Black	6

12 Earthly Branches 地支 (B.2)

#	Branch 地支	Pinyin	Animal 生肖	Element	Polarity	Month 月	Direction	Hidden Stems 藏干
1	子	Zǐ	Rat	Water	Yang	11	North	壬癸
2	丑	Chǒu	Ox	Earth	Yin	12	NNE	己癸辛
3	寅	Yín	Tiger	Wood	Yang	1	ENE	甲丙戊
4	卯	Mǎo	Rabbit	Wood	Yin	2	East	乙
5	辰	Chén	Dragon	Earth	Yang	3	ESE	戊乙癸
6	巳	Sì	Snake	Fire	Yin	4	SSE	丙庚戊
7	午	Wǔ	Horse	Fire	Yang	5	South	丁己
8	未	Wèi	Goat	Earth	Yin	6	SSW	己丁乙
9	申	Shēn	Monkey	Metal	Yang	7	WSW	庚壬戊
10	酉	Yǒu	Rooster	Metal	Yin	8	West	辛
11	戌	Xū	Dog	Earth	Yang	9	WNW	戊辛丁
12	亥	Hài	Pig	Water	Yin	10	NNW	壬甲

Lo Shu Magic Square 洛書 (B.5)

The Lo Shu is a 3×3 magic square in which every row, column, and diagonal sums to 15. It forms the basis of the Nine Palaces (九宮) and the Flying Stars system.

Each row, column, diagonal = 15 · Base map of the Nine Palaces

24 Mountains 二十四山 (B.6)

The compass is divided into 24 equal 15° sectors called Mountains. Used in both BaZi and Feng Shui as directional markers on the Luo Pan compass.

#	Mountain 山	Pinyin	Type	Direction Sector	Degrees
1	壬	Rén	Stem	N1	337.5°–352.5°
2	子	Zǐ	Branch	N2	352.5°–7.5°
3	癸	Guǐ	Stem	N3	7.5°–22.5°
4	丑	Chǒu	Branch	NE1	22.5°–37.5°
5	艮	Gèn	Trigram	NE2	37.5°–52.5°
6	寅	Yín	Branch	NE3	52.5°–67.5°
7	甲	Jiǎ	Stem	E1	67.5°–82.5°
8	卯	Mǎo	Branch	E2	82.5°–97.5°
9	乙	Yǐ	Stem	E3	97.5°–112.5°
10	辰	Chén	Branch	SE1	112.5°–127.5°
11	巽	Xùn	Trigram	SE2	127.5°–142.5°
12	巳	Sì	Branch	SE3	142.5°–157.5°
13	丙	Bǐng	Stem	S1	157.5°–172.5°
14	午	Wǔ	Branch	S2	172.5°–187.5°
15	丁	Dīng	Stem	S3	187.5°–202.5°
16	未	Wèi	Branch	SW1	202.5°–217.5°
17	坤	Kūn	Trigram	SW2	217.5°–232.5°
18	申	Shēn	Branch	SW3	232.5°–247.5°
19	庚	Gēng	Stem	W1	247.5°–262.5°
20	酉	Yǒu	Branch	W2	262.5°–277.5°
21	辛	Xīn	Stem	W3	277.5°–292.5°
22	戌	Xū	Branch	NW1	292.5°–307.5°
23	乾	Qián	Trigram	NW2	307.5°–322.5°
24	亥	Hài	Branch	NW3	322.5°–337.5°