Home › Notes › Day pillars

Muja day pillar (戊子) — Thunderbolt Fire, Void and Ten God

Day pillars · · Mutal Unnie editorial team

At a glance

A day pillar is the stem and branch of the birth day, rather than the birth-year animal. Muja is combination 25 of the sixty-pillar cycle. The engine reports a Yang Earth Day Master, Mu, above branch Ja (Water). Nayin: Thunderbolt Fire · Void: O·Mi · Ten God: Direct Wealth · Twelve Sinsal: Jangseongsal (General Star)

Muja — a large mountain
In this guide
  1. What forms the Muja day pillar?
  2. What does Thunderbolt Fire mean, and how does its paired pillar differ?
  3. Why is the main hidden stem classified as Direct Wealth?
  4. When do the next Muja days occur?
  5. What does the Void pair O·Mi mean?
  6. Why is this branch in the Jangseongsal (General Star) position?
  7. Can Muja alone determine personality, compatibility or work?
  8. Frequently asked questions

What forms the Muja day pillar?

A day pillar is the stem and branch of the birth day, rather than the birth-year animal. Muja is combination 25 of the sixty-pillar cycle. The engine reports a Yang Earth Day Master, Mu, above branch Ja (Water).

The illustration uses a large mountain for Mu. Distinguish responsibility you can carry from tasks that should be shared.

The branch Ja is Water; its hidden stems are Im · Gye, ending with the main stem Gye. The branch animal is Rat. This animal describes the day branch here, not automatically the person's birth-year sign.

FieldEngine result and convention
Day MasterMu (戊) · Yang Earth
Day branchJa (子) · Water · Rat
NayinThunderbolt Fire (霹靂火)
Hidden stems / mainIm · Gye / Gye
Ten GodDirect Wealth
VoidO·Mi
Twelve SinsalJangseongsal (General Star)

What does Thunderbolt Fire mean, and how does its paired pillar differ?

Thunderbolt Fire (霹靂火) is the traditional Nayin name shared with Gichuk. A Nayin image is a cultural metaphor, not an element count, a useful-element prescription or proof of a personality trait. Its element can differ from the Day Master's element without being an error.

The pair makes the distinction concrete: Muja has main hidden stem Gye and Direct Wealth, while Gichuk has Gi and Companion. Their branch positions are Jangseongsal (General Star) and Hwagaesal (Canopy Star). Sharing the name Thunderbolt Fire therefore does not give the two combinations the same structure or life story.

ComparisonThis pillarNayin pair
Day pillarMujaGichuk
PolarityYangYin
Main hidden stemGyeGi
Ten GodDirect WealthCompanion
VoidO·MiO·Mi
Twelve SinsalJangseongsal (General Star)Hwagaesal (Canopy Star)

Why is the main hidden stem classified as Direct Wealth?

For Muja, the engine compares Day Master Mu with main hidden stem Gye, producing Direct Wealth. The surface elements are Earth and Water; the Ten God calculation uses the hidden stem's element and polarity, not just the branch's surface label.

The Day Master controls this element, with opposite polarity. Direct Wealth can suggest reviewing practical responsibilities without promising stable income.

This is the representative classification by the main hidden stem. Other hidden stems remain part of the chart; the month, hour and surrounding pillars can change the interpretation's emphasis.

A second comparison keeps the Day Master fixed: Mujin also begins with Mu, but its main hidden stem is Mu, its Ten God Companion, and its Nayin Wood of the Great Forest. In this comparison the lower character, not the upper one, changes the result. Compare the actual fields before borrowing an interpretation from another pillar with the same stem.

When do the next Muja days occur?

Starting from 26 October 2026, these are the next three calendar days whose engine dayGZ() equals Muja. They repeat at 60-day intervals. A matching day is not a promise of a successful exam, contract or relationship, and does not require moving a real appointment.

Calendar date (as of 2026-10-26)Day pillar
2026-11-10 · TueMuja (戊子)
2027-01-09 · SatMuja (戊子)
2027-03-10 · WedMuja (戊子)

A recurring day is a shared calendar label, not a private appointment with fortune. You can put it beside a journal entry and compare what actually happened, including observations that do not fit the interpretation. After the three dates listed here pass, check the calculator again for the next cycle; the article's reference date does not move automatically.

What does the Void pair O·Mi mean?

The engine's sixty-cycle table gives O·Mi for Muja. Gongmang, often called Void, identifies two unused branches in its ten-day group. A two-pillar Nayin pair and a ten-day group are different classifications.

Seeing either branch elsewhere in a chart does not erase a person, relationship or opportunity. Treat this as an auxiliary traditional idea, not a reason to cancel plans or spend money. Real circumstances take priority.

Why is this branch in the Jangseongsal (General Star) position?

Here the reference is the day branch Ja's own Three Harmony group, and the target is Ja again. That produces Jangseongsal (General Star). It is not a calculation from the birth-year branch and does not list every star in a full chart.

A peak branch suggests a traditional leadership metaphor. Ask what you can decide and what needs agreement; the name does not require a leadership career.

Can Muja alone determine personality, compatibility or work?

Muja is one pillar of a complete saju chart. A different birth month, hour, other pillars and long-term periods can change the context. These two characters cannot fix personality, marriage prospects or career, and MBTI uses a different basis rather than an interchangeable code.

Use interpretations as questions to compare with experience. They do not guarantee outcomes or support medical, legal or investment decisions. The linked concept guides explain the terms before any personal interpretation.

First confirm that a birth date is Gregorian or convert a known lunar date using the correct country's calendar. For a day pillar, year alone is insufficient. Time near the late-night day boundary also requires a stated convention. The web calculator offers optional corrections; use the same options when comparing two results rather than assuming different displays prove an error.

Start with today's rhythm

Available on iPhone and Android. Daily rhythm cards and adding events are free. Check the cost before opening a paid reading. Store availability and app language support depend on the listing.

Download on the App StoreGet it on Google Play

Frequently asked questions

What is the Muja day pillar?

It is 戊子, combination 25 of sixty. Its Nayin is Thunderbolt Fire; its Void branches are O·Mi.

What is Muja's day-branch Ten God?

Using main hidden stem Gye within Im · Gye, the engine computes Direct Wealth relative to Mu. This is the main-stem classification.

When is the next Muja day?

As of 2026-10-26: 2026-11-10, 2027-01-09, 2027-03-10. These calendar days recur every 60 days and do not guarantee a good outcome.

Is Jangseongsal (General Star) the only star in a Muja chart?

No. Jangseongsal (General Star) here describes the day branch's position within its own Three Harmony group. A full chart and another reference branch can give other classifications.