每日一卦 · HEXAGRAM ARCHIVE
Hexagram 21 噬嗑 — Biting Through
Monday, 2026-07-27 · same hexagram for every reader today
第21卦 噬嗑 Shì Kè
Biting Through
Upper 上卦 li · Lower 下卦 zhen · Changing line 动爻 4
"Something is stuck between the teeth; be the bite, not the gap."
颐中有物，噬而合之。
An obstruction must be bitten through: name the problem, apply proportionate firmness, finish the bite. Half-measures leave the barrier and the resentment.
刚柔分，动而明。有梗必噬，用刑贵明贵当；断则合，纵则乱。
体 · 用 — the day's essential qi and its acting agent
体 (Ti) — 震 Thunder
Day-qi element: Wood · arousing movement
用 (Yong) — 离 Fire
Changing line 4 sits here · clinging brightness
Per-line commentary (384 texts) is a phase-2 addition — until then, the changing line's position and its 体/用 role is already a real, traditional reading. How this is calculated →
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Method: derived by the Plum Blossom (梅花易数) date method — traditionally attributed to Shao Yong 邵雍, in fact a later Ming-era compilation — from the day's lunar data using the same night-zi (夜子时) convention as our almanac. Full derivation walkthrough → Regenerated daily at midnight Singapore time. Readings counsel; they do not predict.