I Ching · Hexagram 36 Darkening of the Light
Hexagram 36 line 4: Darkening of the Light, yin in the fourth place

I Ching 36.4
He enters the left side of the belly and reaches the heart of the darkening; he leaves gate and courtyard.
Close enough to the source of the darkness to understand it fully, and understanding it, leaving. The line describes insight into how bad things are, and the decision to go before it is too late.
Advice. Once you have seen how deep it goes, leave.
What changes when line 4 moves
Line 4 of Hexagram 36 is yin, a broken line. When it is cast as old yin (a 6) it flips, and the hexagram becomes Hexagram 55, Abundance: The sun at noon: abundance at its height, with the certainty that noon does not last and the instruction not to grieve about it.
Read together, the reading moves from Darkening of the Light toward Abundance. The light gone into the earth: a time of adversity survived by hiding one's brightness while keeping it. Fire below, thunder above: clarity and movement together, lightning and thunder at full strength. Abundance describes the peak, the moment of greatest fullness. The primary hexagram describes the situation; the changing line is the point of movement in it; the resulting hexagram is where that movement leads. Both hexagrams belong to the reading, and the changing line is the hinge between them.
Line 4 in context
- Love & relationships
- Once you have seen how deep it goes, leave. In love and relationships, Hexagram 36 reads: A dark stretch, possibly with someone whose behaviour makes honesty dangerous. Keep your inner clarity and do not lay it out where it will be used against you. Endure with your integrity hidden but intact, and watch for the time to leave or the light to return.
- Career
- Once you have seen how deep it goes, leave. In career, Hexagram 36 reads: A hostile environment or a bad leader. Do not shine where shining draws fire. Keep your competence, do your work quietly, avoid being conspicuous, and outlast the period. The reading is about survival with integrity, not about winning.
- Money
- Once you have seen how deep it goes, leave. In money, Hexagram 36 reads: Conceal your position. This is not a time to be seen as prosperous or to make visible moves. Protect what you have quietly and persist through the dark stretch.
- A decision
- Once you have seen how deep it goes, leave. In decisions, Hexagram 36 reads: Choose the option that keeps you safe and intact through a difficult time, not the one that asserts you. If leaving is possible, the lines support it; if not, the strategy is concealment and endurance.
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