Yi Mao Day Pillar
The vine standing in its own living thicket.
Yin Wood (Yi 乙, the climbing vine) standing on Mao (卯) — the Rabbit branch, Wood. Na Yin: Great Stream Water (大溪水).
Not sure this is your day pillar? It's computed from your birth day, not your zodiac year — cast your chart free and check the center column.
The structure
| Day Master | Yi (乙) — Yin Wood, the climbing vine |
|---|---|
| Day branch | Mao (卯) — Wood, the Rabbit |
| Hidden stems | Yi (乙) — Yin Wood → Companion (比肩) |
| Classical marker | Jian Lu (建禄) — the Day Master seated on its own throne — with a pure single hidden stem: the deepest self-rooting yin wood can have. |
| Na Yin | Great Stream Water (大溪水) |
| Cycle position | #52 of 60 — recurs every 60 days |
Yi Mao stands the climbing vine on the Rabbit branch — Mao, yin wood's own home ground. The classics call this seat Jian Lu (建禄): the Day Master on its own throne, self-rooted at maximum. And the seat is pure: Mao hides exactly one stem — Yi, yin wood, your Companion (比肩). No wealth, no officer, no resource, no output. Vine above, vine below, vine all the way down: the least complicated foundation in the entire Yi family, and the strongest.
But yin wood is strong the way grass is strong, not the way oak is. Yi Mao's power is the hedgerow's: flexible, regenerative, quietly ungovernable — pull it up and it regrows from any fragment left in the soil. The pure Companion seat makes this the most peer-natured of the vines: Yi Mao spreads by runners, building networks of allies and equals the way other pillars build résumés, and it survives whatever the season sends by simply being too distributed to kill.
What makes Yi Mao different
The comparisons draw the throne's outline. Yi You (乙酉) is your exact mirror — also a pure single-stem seat, but its one star is the blade: a life ruled by pressure where yours is self-ruled. Yi Hai (乙亥) rises by climbing a taller tree; you never learned to climb because you never needed height. Yi Si (乙巳) converts itself into performance and rank — the careerist vine to your commons hedge. Yi Wei (乙未) keeps a reserve of itself banked in the wood vault; your roots are all live and in the open.
Only Yi Mao stands on itself — and the classical cautions for throne-seated Day Masters apply here in vine dialect. First: strength without an outlet stagnates. There is no fire, earth, or metal in this seat; the pillar must plant its own vents — a craft, a venture, an expression — or all that root feeds nothing but more hedge. Second: Companion competes as naturally as it collaborates. Shared money, shared credit, and unspoken partnerships are where this pillar's easy abundance of allies quietly turns into rivalry.
In relationships: the spouse palace
A pure Companion in the spouse palace reads plainly: the partner is a peer. Same wavelength, often similar age, field, or temperament — someone you'd have been friends with anyway. Yi Mao doesn't marry up or down; it marries alongside, and its best partnerships have the texture of two independent plants sharing ground: low drama, high familiarity, deeply resistant to outside weather.
The friction is two plants in one pot. A palace that holds only peer wood has no built-in warmth, no built-in structure, and a documented weakness for resource rivalry — whose money, whose friends, whose turn. So the fixes are the missing elements, added on purpose: plant fire (make things together — the shared vent this seat was born without), and import metal (explicit agreements about money and roles, because a hedge never trims itself). Parallel lives feel natural to this pillar; intertwined ones must be trained.
What this page can't tell you
A day pillar is two characters out of eight. It sets your Day Master and colors your closest relationships — but whether that Day Master is strong or weak, what it needs, and when its good years arrive is decided by the other six characters: the season you were born in (the month pillar weighs more than any other), the hour, and the ten-year luck cycle you're standing in right now. Two Yi Mao people born in different months live this pillar in genuinely different ways. This page is a portrait of one pillar, not a conclusion about your life. A fuller reading needs the whole chart.
Frequently asked questions
How do I know whether I'm a Yi Mao day?
You'll need the computation — day pillars run on a 60-day cycle set by your birth day, not your zodiac year. Cast a free chart and read the center column: stem Yi (乙) over branch Mao (卯) is this pillar.
What does Jian Lu (建禄) mean for a soft stem like Yi — can a vine really be 'strong'?
Yes — strength in BaZi is rooting, not hardness. Jian Lu means your element rules the very branch you stand on: maximum self-support. In yin wood that reads as resilience rather than force — flexibility, regeneration, independence that doesn't announce itself. The classical note for all throne-seated Day Masters: strength like this needs outlets more than it needs support.
Both my day characters are yin wood — what does an all-one-element pillar do?
It concentrates. Stem and branch agree completely, so nothing in your own foundation checks, feeds, or drains you — the pillar is pure self. That's why Yi Mao reads so consistent across a lifetime, and why its growth always depends on elements found elsewhere: in the chart's other pillars, or in deliberately chosen work and people.
Is a Companion star in the spouse palace bad for marriage?
It's a texture, not a verdict. Peer-in-the-palace marriages are famously companionable — equal, familiar, durable — and famously prone to resource rivalry and parallel drift. The difference is almost always whether sharing is explicit. Treat the partnership like the shared plot it structurally is, with named stakes, and the peer becomes the point.
Are you actually a Yi Mao day?
Cast your BaZi chart free — your day pillar, Day Master, five elements, and current luck cycle, computed from your exact birth moment. No sign-up, about ten seconds.
Cast your chart — freeKeep reading
- All 60 day pillars — the directory
- The Rabbitin 2026 — your day branch's animal, read as a year sign
- Yi Chou (乙丑) — Yi on a different ground: the vine wintering over a buried vault of metal.
- Yi Hai (乙亥) — Yi on a different ground: the vine on deep water, reaching for a taller tree.
- Yi You (乙酉) — Yi on a different ground: the vine trained along a trellis of blades.
- Yi Wei (乙未) — Yi on a different ground: the vine in summer earth, with roots banked below.
- Yi Si (乙巳) — Yi on a different ground: the vine flowering straight into flame.
LuckPillar readings are for reflection and entertainment. They're not a substitute for professional medical, legal, or financial advice.