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Day Master

乙 Yi: the Yin Wood Day Master

Adaptive, perceptive, and quietly persistent, like a vine finding its way.

By the Daoly team · Updated November 2026

What Yin Wood is like in BaZi

乙 is imagined as grass, flowers, or a vine. It grows around obstacles rather than through them, so Yi charts are often described as flexible, relational, and more resilient than they first appear.

Common strengths

  • Adaptability
  • Reading people and context
  • Persistence without force

Common blind spots

  • Over-accommodating others
  • Depending on the right support
  • Avoiding direct conflict

What this Day Master tends to need

Readings usually consider Sun-like Fire, moderate Water, and something sturdy to climb, depending on season.

A Day Master's needs depend on season and on the rest of the chart, so two people with the same Day Master can need different things.

Key relationships

Yi combines with 庚 Geng (Yang Metal). Its output is Fire, its wealth is Earth, its pressure comes from Metal, and its support comes from Water.

See how these relationships become roles in the Ten Gods guide.

Frequently asked questions

What does 乙 Yi mean in BaZi?

乙 Yi is the Yin Wood Heavenly Stem, traditionally pictured as the climbing vine. Adaptive, perceptive, and quietly persistent, like a vine finding its way.

How do I know if I am a Yin Wood Day Master?

Calculate your chart from your birth details. If the top character of your Day Pillar is 乙, your Day Master is Yi, Yin Wood.

Daoly presents BaZi and the I Ching as cultural traditions and tools for self-reflection. Nothing here is a prediction or medical, legal, financial, or psychological advice.