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黄帝内经 · 子午流注十二时辰养生

Chinese Medicine Organ Clock & 12-Branch TCM Body Clock (子午流注)

In the Huangdi Neijing (Yellow Emperor's Inner Classic), the same 12 Earthly Branches (十二地支) and Five Elements that govern your BaZi chart also regulate the 24-hour Chinese Medicine Organ Clock (TCM Body Clock). When an element in your natal chart is excessive or deficient, its corresponding 2-hour organ meridian window requires targeted circadian care.

LIVE ZI-WU-LIU-ZHU TIDAL WAVE · 当前值令时辰经络 (09:30 Local Solar Time)

Now Active: 巳 Sì (09:00 – 10:59) — Spleen Meridian

足太阴脾经当令: Conversion of nutrients into cognitive energy and blood transport (巳火生脾土 · 脾主运化). High-focus analytical work, architecture, and strategic decision-making.

Organ Meridian: Earth · Branch: Fire (Snake)Rectify My Birth Shichen →
子Zǐ
23:00 – 00:59

Gallbladder Meridian (足少阳胆经)

Organ: Wood子 Branch: Water
Physiological Function:Cellular repair, bile metabolism, and nascent Yang Qi germination at midnight (地支子水生发胆木 · 一阳初生).

Circadian Protocol: Deep sleep before 23:00 ("子觉") to nourish nascent Yang vitality.

BaZi Tip: Avoid late-night screen overstimulation; Zi Branch (Water) nourishes Gallbladder (Wood).

丑Chǒu
01:00 – 02:59

Liver Meridian (足厥阴肝经)

Organ: Wood丑 Branch: Earth
Physiological Function:Blood detoxification, emotional processing, and sinew replenishment (地支丑湿土培木 · 肝藏血).

Circadian Protocol: Uninterrupted REM sleep in a cool, dark room.

BaZi Tip: Waking repeatedly between 01:00–03:00 signals excess Liver Fire or unvented Wood tension.

寅Yín
03:00 – 04:59

Lung Meridian (手太阴肺经)

Organ: Metal寅 Branch: Wood
Physiological Function:Distribution of fresh Qi and blood across all organ systems before dawn (肺朝百脉 · 十二经脉始于肺).

Circadian Protocol: Restful breathing; keep shoulders and chest warm.

BaZi Tip: In classical BaZi, Yin Hour (Wood) marks the transition from deep Yin to rising Yang while Lung (Metal) governs Qi distribution.

Animal: Tiger寅 Branch Guide
卯Mǎo
05:00 – 06:59

Large Intestine Meridian (手阳明大肠经)

Organ: Metal卯 Branch: Wood
Physiological Function:Morning elimination, metabolic awakening, and mucosal hydration.

Circadian Protocol: Drink warm water upon waking and stretch gently facing East.

BaZi Tip: Supports Metal-Water clarity and morning detoxification for the day ahead.

Animal: Rabbit卯 Branch Guide
辰Chén
07:00 – 08:59

Stomach Meridian (足阳明胃经)

Organ: Earth辰 Branch: Earth
Physiological Function:Peak digestive enzyme secretion and nutrient breakdown (辰土与胃土同气相求).

Circadian Protocol: Eat a warm, nourishing breakfast to anchor Earth Qi.

BaZi Tip: Essential grounding window for weak Earth or Metal Day Masters.

Animal: Dragon辰 Branch Guide
巳Sì
09:00 – 10:59

Spleen Meridian (足太阴脾经)

Organ: Earth巳 Branch: Fire
Physiological Function:Conversion of nutrients into cognitive energy and blood transport (巳火生脾土 · 脾主运化).

Circadian Protocol: High-focus analytical work, architecture, and strategic decision-making.

BaZi Tip: First golden deep-work block of the solar day; Si Fire warms Spleen Earth.

Animal: Snake巳 Branch Guide
午Wǔ
11:00 – 12:59

Heart Meridian (手少阴心经)

Organ: Fire午 Branch: Fire
Physiological Function:Peak Yang solar circulation and Shen (spirit) illumination (午火与心火同气 · 一阴初生).

Circadian Protocol: Balanced lunch followed by a 15–20 minute eyes-closed rest ("子午觉").

BaZi Tip: Avoid high-conflict meetings at exact solar noon; let Heart Fire settle.

Animal: Horse午 Branch Guide
未Wèi
13:00 – 14:59

Small Intestine Meridian (手太阳小肠经)

Organ: Fire未 Branch: Earth
Physiological Function:Sorting pure nutrients from turbid waste ("泌别清浊").

Circadian Protocol: Organization, code review, hydration, and collaborative refinement.

BaZi Tip: Drink warm herbal tea to assist afternoon Fire–Earth assimilation.

Animal: Goat未 Branch Guide
申Shēn
15:00 – 16:59

Urinary Bladder Meridian (足太阳膀胱经)

Organ: Water申 Branch: Metal
Physiological Function:Longest meridian spanning the brain and spine; peak memory consolidation (申金生膀胱水 · 金生水旺).

Circadian Protocol: Second golden window for complex study, writing, or athletic training.

BaZi Tip: Prime hour for Water and Wood Day Masters to execute flagship tasks.

Animal: Monkey申 Branch Guide
酉Yǒu
17:00 – 18:59

Kidney Meridian (足少阴肾经)

Organ: Water酉 Branch: Metal
Physiological Function:Storage of congenital essence (Jing) and filtration of body fluids (酉金生肾水 · 金水相生).

Circadian Protocol: Light early dinner and transition from high-output work to calm reflection.

BaZi Tip: Avoid excessive salt or heavy stimulants during You Hour.

Animal: Rooster酉 Branch Guide
戌Xū
19:00 – 20:59

Pericardium Meridian (手厥阴心包经)

Organ: Fire戌 Branch: Earth
Physiological Function:Protects the Heart sovereign and facilitates warm interpersonal connection (相火代君行令).

Circadian Protocol: Evening walk, family conversation, reading, or creative hobbies.

BaZi Tip: Ideal hour for relationship harmony and unwinding mental tension.

亥Hài
21:00 – 22:59

Triple Burner (San Jiao) Meridian (手少阳三焦经)

Organ: Fire亥 Branch: Water
Physiological Function:Endocrine harmonization and thermoregulation across upper, middle, and lower cavities (水火既济 · 亥水敛相火).

Circadian Protocol: Warm foot soak, dimming lights, and preparing for Zi-Hour sleep.

BaZi Tip: Completes the 12-branch cycle in quiet serenity before midnight.

Educational & Cultural Disclaimer: The 12-Branch Zi Wu Liu Zhu Meridian Clock is presented for classical Chinese cultural, philosophical, and circadian lifestyle study based on historical texts (Huangdi Neijing). It does not constitute medical diagnosis or clinical treatment advice.
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Download the 24-Hour Zi Wu Liu Zhu & Five-Element Dietary Chart PDF

Maps Wood (Liver/Gallbladder), Fire (Heart/Small Intestine), Earth (Spleen/Stomach), Metal (Lung/Large Intestine), and Water (Kidney/Bladder) to your BaZi chart.

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