Bing Yin Day Pillar
The sun at dawn, rising out of a spring forest.
Yang Fire (Bing 丙, the sun) standing on Yin (寅) — the Tiger branch, Wood. Na Yin: Furnace Fire (炉中火).
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 | Bing (丙) — Yang Fire, the sun |
|---|---|
| Day branch | Yin (寅) — Wood, the Tiger |
| Hidden stems | Jia (甲) — Yang Wood → Indirect Resource (偏印) Bing (丙) — Yang Fire → Companion (比肩) Wu (戊) — Yang Earth → Eating God (食神) |
| Classical marker | Chang Sheng (长生) — the Day Master at its birth stage: the sun at first light, perpetually refueled. |
| Na Yin | Furnace Fire (炉中火) |
| Cycle position | #3 of 60 — recurs every 60 days |
Bing is the sun — yang fire, the light everything else is seen by — and in Bing Yin it stands on the Tiger branch at its Chang Sheng (长生), the birth stage: the seat the classics reserve for an element that keeps renewing itself. Yin hides three stems, and the supply chain runs uphill toward you. Jia, yang wood, is your Indirect Resource (偏印) — unconventional learning, the fuel that arrives from odd directions. Bing again is your Companion (比肩) — a second flame, peer warmth. And Wu, yang earth, is your Eating God (食神) — the vent where light becomes craft.
Fuel in, a twin flame beside you, an outlet below: that mix makes Bing Yin the most self-sustaining sun in the cycle. Indirect Resource fires give their curiosity strange diets — the discontinued manual, the sideways mentor, the field nobody told them to study — and the Companion stem makes the warmth communal rather than performed. The one internal tension is classical: Indirect Resource and Eating God share a seat, and the resource star preys on the output star. Intake can crowd out making. The dawn sun's discipline is to stop refueling and actually rise.
What makes Bing Yin different
Set the six suns side by side. Bing Wu (丙午) is high noon on its own fire — the Yang Blade, maximum amplitude, no counterweight. Bing Zi (丙子) stands over winter water, its officer star built in — the checked, formal sun. Bing Xu (丙戌) banks its heat in the fire vault: warmth held in reserve. Bing Shen (丙申) burns over metal — light applied to acquisition, cooler-headed. Bing Chen (丙辰) rises over the water vault, fed and duty-laden at once.
Bing Yin alone stands on its own fuel supply. Every other sun is checked, banked, spent, or amplified; yours is fed — wood at the root, arriving on schedule. That makes this the endurance pillar of the six: the fire that can hold a temperature for decades, the teacher and builder of long arcs, morning light that keeps its appointment every day. The caution is the mirror image: a fire that never runs out of fuel never learns urgency, and Chang Sheng's eternal freshness can read as eternal apprenticeship. At some point the sun that is always rising has to be up.
In relationships: the spouse palace
The spouse palace leads with Indirect Resource — wood, the nourisher, but the offbeat kind. The classical sketch: a partner who feeds you in ways nobody else would have thought to — unusual background, unusual care, a person who restocks your mind as much as your household. With a Companion stem also in the seat, Bing Yin partnerships tend to feel like two flames sharing one hearth: warm, collegial, genuinely companionable.
The friction is written in the cycle itself: wood feeds fire, and fire gives nothing back to wood — the fuel line runs one way. Bing Yin can accept nourishment for years without noticing it never reciprocated in kind, until the forest is thin. The fix is already in the seat: the Eating God. Give back through making — the cooked meal, the built shelf, the thing crafted specifically for them. A sun can't water a tree, but it can grow one a garden.
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 Bing Yin 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 Bing Yin day?
Not from your zodiac year — day pillars cycle every 60 days and take a calendar computation. Cast your chart with the free calculator and read the center column: stem Bing (丙) over branch Yin (寅) means this page is yours.
What does Chang Sheng (长生) mean for a fire day specifically?
It's the birth stage of the twelve-stage life cycle — the seat of self-renewal. For Bing it lands on Yin because wood is fire's mother element: the sun stands directly on its fuel. Practically it reads as stamina — a fire that recovers overnight and sustains long projects other fire days abandon at the bright, exhausting middle.
My Na Yin is Furnace Fire (炉中火) — I thought Bing was the sun?
Both are true; they're two lenses. The stem image reads Bing alone — the sun. Na Yin reads the pillar as a couplet, and fire seated on a woodpile made the old catalogers think of a stove with fuel stacked beside it: contained, fed, useful heat. The furnace is the domestic translation of the same fact — this fire doesn't run out.
Is dawn fire weaker than Bing Wu's noon fire?
Different shape, not lesser rank. Bing Wu is peak-stage fire — self-amplifying, blade-edged, spectacular and expensive to run. Bing Yin is birth-stage fire with a supply line — lower amplitude, far longer burn. In classical terms one is strength as intensity, the other strength as renewal. Which serves you better is a whole-chart question.
Are you actually a Bing Yin 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 Tigerin 2026 — your day branch's animal, read as a year sign
- Bing Zi (丙子) — Bing on a different ground: the sun standing over midnight water.
- Bing Xu (丙戌) — Bing on a different ground: the sun after sunset, banked in the earth.
- Bing Shen (丙申) — Bing on a different ground: the westering sun turning a field of ore to gold.
- Bing Wu (丙午) — Bing on a different ground: the sun at high noon, riding its own fire.
- Bing Chen (丙辰) — Bing on a different ground: the morning sun climbing over the dragon's reservoir.
LuckPillar readings are for reflection and entertainment. They're not a substitute for professional medical, legal, or financial advice.