Learn
Structure first, then cast your chart — celestial time, Five Elements, Ten Gods, Ziwei, zodiac, Shen Sha, and Day Masters.
Tap a label to open a short definition. Your chart stays ready when you return.
Astronomical & Calendrical Foundations
Calibrate true celestial time and solar boundaries before reading the chart
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AstronomyCelestial time
Longitude calibration and equation of time — the foundation of celestial chart casting.
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Solar TermsLi Chun vs New Year
Astronomical Li Chun vs Lunar New Year — clarifying the true year pillar boundary.
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Solar Nodes
Solar Terms
The 24 solar nodes defining the twelve month branches and seasonal planetary climate.
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PhilosophyFive Elements
Wood, Fire, Earth, Metal, and Water — relationship grammar, not rigid fate verdicts.
Four Pillars / BaZi Core System
Day Master as reference, month command as pivot, branches and gods in structural concert
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BranchesBranch Relations
Combination, clash, punishment, and harm — structural interaction grammar among branches.
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StructureTen Gods
Classifying other stems relative to the Day Master — functional relation, not fixed stereotypes.
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Balance Key
Useful God
Support, climate, passage, and medicine — harmonizing excess and deficiency in BaZi.
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Formations
BaZi Patterns
Eight classic patterns from month command — officer, wealth, seal, killings, and output.
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TransitsLuck Pillars
Ten-year luck pillars and annual transits — dynamic temporal interaction with the natal chart.
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Vitality
Twelve Stages
Vitality rhythm of Day Master energy across twelve earthly branches.
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Poetic LayerNa Yin
Pairing sexagenary cycles with thirty poetic sound-element images.
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Natal MarkersShen Sha
Catalog of natal markers — cultural symbolic themes with disciplined limits.
Ziwei Dou Shu Star System
Twelve natal palaces and fourteen major stars calculated from celestial lunar time
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ConstellationZiwei
Twelve-palace plate from lunar time, fourteen main stars, and Four Transformations.
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Transformations
Four Transformations
Hua Lu, Quan, Ke, Ji — heavenly catalysts transforming planetary potential into life events.
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Star Groups
Star Groups
Fourteen major stars, North and South Dipper, Sha-Po-Lang and Ji-Yue-Tong-Liang alliances.
I Ching Divination & Cultural Zodiac
Hexagram reflection through moving lines, and earthly branch animal folklore
Hexagram divination is rooted in the Zhouyi canon. Explore all 64 hexagrams with pure vector trigram art, judgements, images, and changing lines.
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I ChingSix Lines
Six lines building a hexagram — primary plate, moving lines, and changed reflection.
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Useful LinesSix Relatives
Self line, object line, and Six Relatives — locating the Useful God to navigate specific inquiries.
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Six Spirits
Six Spirits
Azure Dragon, White Tiger, Vermilion Bird — day-stem animal spirits appending vivid situational detail.
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Folk CultureZodiac & Year
Zodiac branches in Four Pillars context — harmony, triads, and clashes.
Classical Canon & Metaphysical Lexicon
The complete I Ching 64 hexagrams canon, classical BaZi lineages, and metaphysical lexicon
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Classic Canon
I Ching 64 Hexagrams
The ancient fountainhead of Chinese wisdom: all 64 hexagrams with judgments, images, line texts, and pure vector diagrams.
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Canon
Classics
Classical lineages from Sub-Ping to San Ming Tong Hui and Di Tian Sui.
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Duty Spirits
Duty Spirits
The Twelve Duty Spirits — Establish, Cleanse, Full, Balance — aligning actions with monthly cycles.
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Hundred Surnames
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Dictionary
Glossary
Authoritative bilingual definitions for all chart symbols across Born Hour.