干支律舍 Stems Branches Tones Mansions
蔡邕獨斷云干幹也其名有十
甲乙丙丁戊己庚辛壬癸是也支枝也其名一十有二子丑寅卯辰巳午未申酉戌亥是也○禮記月令
春月其日甲乙夏月其日丙丁中央土其日戊己秋月其日庚辛冬月其日壬癸○史記律書曰七正二十八舍律歷天所以通五行八正之氣天所以成熟萬物也舍者日月所舍舍者舒氣也
不周風居西北主殺生東壁居不周風東主辟生氣而東之至於營室營室者主營胎陽氣而產之東至於危危垝也言陽氣之危垝故曰危十月也律中應鐘應鐘者陽氣之應不用事也其於十二子為亥亥者該也言陽氣藏於下故該也廣莫風居北方廣莫者言陽氣在下隂莫陽廣大也故曰廣莫東至於虚虚者能實能虚言陽氣冬則宛藏於虚日冬至則一隂下藏一陽上舒故曰虚東至於須女言萬物變動其所隂陽氣未相離尚相如胥也故曰須女十一月也律中黄鐘黄鐘者陽氣踵黄泉而出也其於十二子為子子者滋也滋者言萬物滋於下也其於十母為壬癸壬之為言任也言陽氣任養萬物於下也癸之為言揆也言萬物可揆度故曰癸東至牽牛牽牛者言陽氣牽引萬物出之也牛者冒也言地雖凍能冒而生也牛者耕植種萬物也東至於建星建星者建諸生也十二月律中大呂大呂者其於十二子為丑丑者紐也言陽氣在上未降萬物厄紐未敢出條風居東北主出萬物條之言條治萬物而出之故曰條風南至於箕箕者言萬物根棋故曰箕正月也律中泰簇泰簇者言萬物簇生也故曰泰簇其於十二子為寅寅言萬物始生螾然也故曰寅南至於尾言萬物始生如尾也南至於心言萬物始生有華心也南至於房房者言萬物門戶也至於門則出矣明庶風居東方明庶者明衆物盡出也二月也律中夾鐘夾鐘者言隂陽相夾厠也其於十二子為卯卯之為言茂也言萬物茂也其於十母為甲乙甲者言萬物剖符甲而出也乙者言萬物生軋軋也南至於氐氐者言萬物皆至也南至於亢亢者言萬物亢見也南至於角角者言萬物皆有枝格如角也三月也律中姑洗姑洗者言萬物洗生其於十二子為辰辰者言萬物之蜄也清明風居東南維主風吹萬物而西之軫軫者言萬物益大而軫軫然西至於翼翼者言萬物皆有羽翼也四月也律中仲呂仲呂者言萬物盡旅而西行也其於十二子為巳巳者言陽氣之已盡也西至於七星七星者陽數成於七故曰七星西至於張張者言萬物皆張也西至於注注者言萬物之始衰陽氣下注故曰注五月也律中蕤賓蕤賓者言隂氣幼少故曰蕤痿陽不用事故曰賓景風居南方景者言陽氣道竟故曰景風其於十二子為午午者隂陽交故曰午其於十母為丙丁丙者言陽道著明故曰丙丁者言萬物之丁壯也故曰丁西至于弧弧者言萬物之吳落且就死也西至于狼狼者言萬物可度量斷萬物故曰狼涼風居西南維主地地者沈奪萬物氣也六月也律中林鐘林鐘者言萬物就死氣林林然其於十二子為未未者言萬物皆成有滋味也北至於罰罰者言萬物氣奪可伐也北至於參參言萬物可參也故曰參七月也律中夷則夷則言隂氣之賊萬物也其於十二子為申申者言隂用事申賊萬物故曰申北至於濁濁者觸也言萬物皆觸死也故曰濁北至於留留者言陽氣之稽留也故曰留八月也律中南呂南呂者言陽氣之旅入藏也其於十二子為酉酉者萬物之老也故曰酉閶闔風居西方閶者倡也闔者藏也言陽氣道萬物闔黄泉也其於十母為庚辛庚者言隂氣庚萬物故曰庚辛者言萬物之辛生故曰辛北至於胃胃者言陽氣就藏皆胃胃也北至於婁婁者呼萬物且内之也北至於奎奎者主毒螫殺萬物也奎而藏之九月也律中無射無射者隂氣盛用事陽氣無餘也故曰無射其於十二子為戌戌者言萬物盡滅故曰戌

Duduan (Independent Judgment) of Cai Yong wiki states:
- there are 10 Heavenly Stems, H0甲, H1乙, H2丙, H3丁, H4戊, H5己, H6庚, H7辛, H8壬, H9癸
- there are 12 Earthly Branches, E0子, E1丑, E2寅, E3卯, E4辰, E5巳, E6午, E7未, E8申, E9酉, E↊戌, E↋亥
The Liji (Book of Rites), Yueling (Monthly Ordinances) ctext states:
- In spring months, the days are H0甲 and H1乙
- In summer months, the days are H2丙 and H3丁
- In the central X2㊏EARTH phase, the days are H4戊 and H5己
- In autumn months, the days are H6庚 and H7辛
- In winter months, the days are H8壬 and H9癸
The Shiji (The Records of the Grand Historian), Lv Shu (Treatise on Music) ctext states:
The 7 Planets and the 28 Mansions, along with the Calendar, are the means by which the Wuxing and the 8 Winds communicate with the heavens. The heavens use these systems to nurture and bring all things to maturity. The 28 Mansions represent the positions of the Sun and Moon as they move through the sky, it implies the expansion and circulation of energy.
十干 10 Heavenly Stems
| 天干 Heavenly Stem | 拼音 Pronunciation | 四序 Season | |
|---|---|---|---|
| H0甲 | (jiǎ) | 春Spring | 甲者言萬物剖符甲而出也 |
| H1乙 | (yǐ) | 春Spring | 乙者言萬物生軋軋也 |
| H2丙 | (bǐng) | 夏Summer | 丙者言陽道著明故曰丙 |
| H3丁 | (dīng) | 夏Summer | 丁者言萬物之丁壯也故曰丁 |
| H4戊 | (wù) | X2㊏EARTH | |
| H5己 | (jǐ) | X2㊏EARTH | |
| H6庚 | (gēng) | 秋Autumn | 庚者言隂氣庚萬物故曰庚 |
| H7辛 | (xīn) | 秋Autumn | 辛者言萬物之辛生故曰辛 |
| H8壬 | (rén) | 冬Winter | 壬之為言任也言陽氣任養萬物於下也 |
| H9癸 | (guǐ) | 冬Winter | 癸之為言揆也言萬物可揆度故曰癸 |
十二支 12 Earthly Branches
| 地支 Earthly Branch | 拼音 Pronunciation | 月 Month | 律 Tone | ||
|---|---|---|---|---|---|
| E0子 | (zǐ) | NOV十一月 | T0黄鐘 | 黄鐘者陽氣踵黄泉而出也 |
子者滋也滋者言萬物滋於下也 |
| E1丑 | (chǒu) | DEC十二月 | T1大呂 | 大呂者 |
丑者紐也言陽氣在上未降萬物厄紐未敢出 |
| E2寅 | (yín) | JAN正月 | T2泰簇 | 泰簇者言萬物簇生也故曰泰簇 |
寅言萬物始生螾然也故曰寅 |
| E3卯 | (mǎo) | FEB二月 | T3夾鐘 | 夾鐘者言隂陽相夾厠也 |
卯之為言茂也言萬物茂也 |
| E4辰 | (chén) | MAR三月 | T4姑洗 | 姑洗者言萬物洗生 |
辰者言萬物之蜄也 |
| E5巳 | (sì) | APR四月 | T5仲呂 | 仲呂者言萬物盡旅而西行也 |
巳者言陽氣之已盡也 |
| E6午 | (wǔ) | MAY五月 | T6蕤賓 | 蕤賓者言隂氣幼少故曰蕤痿陽不用事故曰賓 |
午者隂陽交故曰午 |
| E7未 | (wèi) | JUN六月 | T7林鐘 | 林鐘者言萬物就死氣林林然 |
未者言萬物皆成有滋味也 |
| E8申 | (shēn) | JUL七月 | T8夷則 | 夷則言隂氣之賊萬物也 |
申者言隂用事申賊萬物故曰申 |
| E9酉 | (yǒu) | AUG八月 | T9南呂 | 南呂者言陽氣之旅入藏也 |
酉者萬物之老也故曰酉 |
| E↊戌 | (xū) | SEP九月 | T↊無射 | 無射者隂氣盛用事陽氣無餘也故曰無射 |
戌者言萬物盡滅故曰戌 |
| E↋亥 | (hài) | OCT十月 | T↋應鐘 | 應鐘者陽氣之應不用事也 |
亥者該也言陽氣藏於下故該也 |
八風 8 Winds
| 八風 Wind | 拼音 Pronunciation | 方位 Direction | |
|---|---|---|---|
| NW不周風 | (bù zhōu) | 西北Northeast | 主殺生 |
| N廣莫風 | (guǎng mò) | 北North | 廣莫者言陽氣在下隂莫陽廣大也故曰廣莫 |
| NE條風 | (tiáo) | 東北Northeast | 主出萬物條之言條治萬物而出之故曰條風 |
| E明庶風 | (míng shù) | 東East | 明庶者明衆物盡出也 |
| SE清明風 | (qīng míng) | 東南Southeast | 主風吹萬物 |
| S景風 | (jǐng) | 南South | 景者言陽氣道竟故曰景風 |
| SW涼風 | (liáng) | 西南Southwest | 主地地者沈奪萬物氣也 |
| W閶闔風 | (chāng hé) | 西West | 閶者倡也闔者藏也言陽氣道萬物闔黄泉也 |
二十八宿 28 Mansions
| 四象Symbol | 二十八宿Mansion | |
|---|---|---|
| E東方青龍 Azure Dragon | S00角HORN | 角者言萬物皆有枝格如角也 |
| S01亢NECK | 亢者言萬物亢見也 | |
| S02氐ROOT | 氐者言萬物皆至也 | |
| S03房ROOM | 房者言萬物門戶也至於門則出矣 | |
| S04心HEART | 心言萬物始生有華心也 | |
| S05尾TAIL | 尾言萬物始生如尾也 | |
| S06箕WINNOWING-BASKET | 箕者言萬物根棋故曰箕 | |
| N北方玄武 Murky Warrior | S07斗DIPPER | 建星者建諸生也 |
| S08牛OX | 牽牛者言陽氣牽引萬物出之也牛者冒也言地雖凍能冒而生也牛者耕植種萬物也 | |
| S09女GIRL | 須女言萬物變動其所隂陽氣未相離尚相如胥也故曰須女 | |
| S10虚EMPTINESS | 虚者能實能虚言陽氣冬則宛藏於虚日冬至則一隂下藏一陽上舒故曰虚 | |
| S11危ROOFTOP | 危垝也言陽氣之危垝故曰危 | |
| S12室ENCAMPMENT | 營室者主營胎陽氣而產之 | |
| S13壁WALL | 東壁居不周風東主辟生氣 | |
| W西方白虎 White Tiger | S14奎LEGS | 奎者主毒螫殺萬物也奎而藏之 |
| S15婁BOND | 婁者呼萬物且内之也 | |
| S16胃STOMACH | 胃者言陽氣就藏皆胃胃也 | |
| S17昴HAIRY-HEAD | 留者言陽氣之稽留也故曰留 | |
| S18畢NET | 濁者觸也言萬物皆觸死也故曰濁 | |
| S19觜TURTLE-BEAK | 罰者言萬物氣奪可伐也 | |
| S20參THREE-STARS | 參言萬物可參也故曰參 | |
| S南方朱雀 Vermilion Bird | S21井WELL | 狼者言萬物可度量斷萬物故曰狼 |
| S22鬼GHOSTS | 弧者言萬物之吳落且就死也 | |
| S23柳WILLOW | 注者言萬物之始衰陽氣下注故曰注 | |
| S24星STAR | 七星者陽數成於七故曰七星 | |
| S25張EXTENDED-NET | 張者言萬物皆張也 | |
| S26翼WINGS | 翼者言萬物皆有羽翼也 | |
| S27軫CHARIOT | 軫者言萬物益大而軫軫然 |