Your Day Master (日元) is the stem of the day pillar — the backbone of a Ba Zi chart, comparable to a sun-sign anchor in Western typing systems, but grounded in Five Elements.
Approximate pillars (education only)
Day Master (日元): 庚 · Read archetype notes →
Uses simplified Gan Zhi boundaries (Gregorian approximation). Yuel applies solar terms, optional true solar time, and lunar conversion for production readings.
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