Wu Zi (戊子) — Yang Earth on the Rat
A dam holding a deep cold reservoir.
- Heavenly stem
- 戊 · Wu · Yang Earth
- Earthly branch
- 子 · Zi · Rat
- Na Yin
- Thunder Fire
- Hidden stems
- Gui
- Hidden gods
- Direct Wealth
- Branch element
- Water
Massive earth behind still water, contained power.
In BaZi, the day pillar is the pillar of the self. Its heavenly stem is your Day Master — the reference point for every other character in the chart. A person born on a Wu Zi day has Wu earth as their Day Master, sitting on the 子 (water) branch.
Personality
Wu earth is grounding; the Rat adds instinct and inner drive. You appear unmoved while something is always calculating underneath, and you act only when the odds are clear.
Work and vocation
Finance, strategy, engineering, management — where patience and judgement compound.
Relationships
Reliable and self-contained. Let people see the deliberation, not only the conclusion.
Health and rhythm
Kidneys, lower back and cold. Warmth and movement.
Upcoming 戊子 days
The sexagenary day cycle repeats every sixty days. These are the next dates that fall on Wu Zi.
- 2026-11-10
- 2027-01-09
- 2027-03-10
- 2027-05-09
- 2027-07-08
- 2027-09-06
Is this your day pillar?
You do not need to know your day pillar in advance. Enter your birth date, time and place, and the calculator works out all four pillars — then shows how your Day Master reads against the rest of the chart.
Cast your free BaZi chartOther Wu days
All six Wu pillars share the same Day Master. For the stem on its own — its nature, strengths and blind spots — read the Wu Day Master guide.
This page is a study aid for classical BaZi symbolism, not a prediction. It describes tendencies and temperaments, not events, outcomes or dates. For medical, legal or financial decisions, consult a qualified professional.