Moon Sha.Name the drag before it quietly shapes the decision.
Moon Sha (月煞), or Yue Sha, is a Year-Branch-derived caution marker associated with subtle obstruction, emotional drag, recurring friction and setbacks that may be difficult to locate at first. It does not predict illness, relationship failure or harm to women or family members.
When resistance is quiet, observation must become more precise.
月煞 combines Moon with Sha, a traditional label for a challenging influence. Its image is often applied to less visible forms of friction: emotional heaviness, indirect obstruction, hesitation or a recurring problem that does not announce its cause clearly.
Constructively, it supports emotional literacy, pattern tracking, patience and timely adjustment. Its shadow is projection, passivity, private resentment or treating an uncomfortable feeling as proof of external danger.
This page uses the Year-Branch convention in which Moon Sha sits opposite the storage Branch of the relevant trine. It is not the same marker as 太陰 Moon, 月空 Month Emptiness or a lunar-month calculation.
Find the natal Year Branch, then oppose the storage Branch of its trine.
Each harmony group maps to one of the four Earth storage Branches: 辰, 戌, 丑 or 未.
| Year Branch | Moon Sha · 月煞 Branch |
|---|---|
| 子 Zi · Rat | 戌 Xu · Dog |
| 丑 Chou · Ox | 未 Wei · Goat |
| 寅 Yin · Tiger | 辰 Chen · Dragon |
| 卯 Mao · Rabbit | 丑 Chou · Ox |
| 辰 Chen · Dragon | 戌 Xu · Dog |
| 巳 Si · Snake | 未 Wei · Goat |
| 午 Wu · Horse | 辰 Chen · Dragon |
| 未 Wei · Goat | 丑 Chou · Ox |
| 申 Shen · Monkey | 戌 Xu · Dog |
| 酉 You · Rooster | 未 Wei · Goat |
| 戌 Xu · Dog | 辰 Chen · Dragon |
| 亥 Hai · Pig | 丑 Chou · Ox |
Group shorthand: 申子辰→戌 · 巳酉丑→未 · 寅午戌→辰 · 亥卯未→丑.
Locate the marker, then identify the quiet source of friction.
Identify the Year Branch
Use the Earthly Branch of the natal Year Pillar.
Take the Moon Sha Branch
Read directly across to the target Branch.
Check the chart
Look for the target among the remaining natal Branches.
Assess real exposure
Review mood, recurring delays, indirect resistance and unspoken assumptions.
Convert subtle obstruction into observable information.
Track recurrence
Record when the same delay or emotional drag appears and what precedes it.
Name the unspoken
Clarify expectations instead of filling silence with assumptions.
Test a smaller move
Use a reversible step to reveal whether resistance is structural or temporary.
Restore capacity
Separate genuine constraint from fatigue, overload and accumulated emotion.
A Rat Year finds Moon Sha at Xu.
Find 子 Zi · Rat in the first column. The table returns 戌 Xu · Dog.
From Year Branch to obstruction review
A subtle marker must not become a licence for projection.
No harm-to-women claim
The marker does not predict harm to a mother, wife or any woman.
No medical diagnosis
Health concerns require appropriate professional assessment.
No hidden-enemy claim
Subtle friction does not prove covert opposition or betrayal.
Do not confuse the names
Moon Sha is distinct from 太陰 Moon and 月空 Month Emptiness.
Declare the convention
Keep this Year-Branch method distinct from monthly systems.
No single-star reading
Structure, timing, behaviour and evidence remain primary.
Trace the pattern. Name the constraint. Adjust with evidence.
Place Moon Sha inside the wider emotional and timing structure.
Derived Stars Hub
Return to the complete catalogue.
BaZi Knowledge Hub
Place the marker inside full chart structure.
Moon · 太陰
Compare the separate supportive Moon star.
Month Emptiness · 月空
Keep Moon Sha distinct from the separate emptiness marker.
Moon Sha is a subtle-friction prompt—not a verdict.
How do I find Moon Sha?
Find the natal Year Branch in the table, note its Moon Sha Branch and check whether that Branch appears elsewhere in the natal chart.
Is Moon Sha the same as 太陰 Moon?
No. They are separate derived stars with different formulas and interpretive roles.
Does it predict harm to women?
No. Older gendered claims should not be treated as responsible predictions.
Why are all target Branches Earth Branches?
The formula takes the Branch opposite the storage Branch of each trine, producing 戌, 未, 辰 or 丑.
What should I actually do?
Track recurring friction, clarify assumptions and test small adjustments against real outcomes.