Ji Mao Day Pillar: Seven Killings and the Sickness Phase

一 What it is

Ji Mao is the sixteenth pillar of the sixty-cycle, a Yin Earth day stem sitting on a Yin Wood branch whose only hidden stem is Yi, the Seven Killings for a Ji Day Master. Think of a potted plant: the soil is the Day Master, the woody stem pressing into it is the Killings, and the pot's phase label reads Sickness. The label describes a lookup position, not a medical condition or a personality verdict.

What distinguishes this pillar is the combination of a single hidden stem and a phase that belongs to the reverse sequence. Ji follows Ding, so its twelve-stage cycle runs backward; Mao takes Sickness for Ji; using Yi as the reference stem would instead give Adulthood. That is a different reference stem, not a separate phase assigned to the branch itself. Mao hides no Earth and no Fire, so this branch supplies neither a root for Ji nor a Resource stem. Yi is Seven Killings here, not Direct Officer, because Ji is Yin Earth and Yi is Yin Wood; the polarity match makes Yi the Killings rather than the Officer.

Readers checking a Ji Mao chart should look at the other three branches for hidden Earth, since visible Ji or Wu stems are peers, not roots. Fire hidden elsewhere counts as Resource. The Sickness phase is a stem-branch lookup convention, not a strength score, health signal, or timing forecast, and it cannot manufacture a root that the branch does not contain.

二 Where to find it in your chart

Where to Read Ji Mao in the Interface

In your Four Pillars grid, the Day column is the one to inspect first. Its top stem is the Day Master — here 己 (Ji Yin Earth). Its bottom branch is 卯 (Mao Yin Wood). The day pillar is the pair, not the stem alone, so Ji Mao means both characters together. Hidden stems appear as small characters beneath the branch; for Mao the only hidden stem is 乙 (Yi Yin Wood), which this article labels Seven Killings relative to Ji. Yi is not Direct Officer to Ji, so do not borrow that label from a Wu Earth reading.

The Sickness phase (病, Bing) is a stem-branch lookup, not a health verdict, biological age, or score. Ji follows Ding in reverse, so Ji at Mao returns Sickness; the Day Master phase and the day pillar-stem phase are the same lookup at this position, not two different energies. The main grid has no dedicated phase row, so use the article tables or the full overview. Element balance totals are fixed calculator weights, separate from both phase and the Day Master strength estimate.

Roots must hide Earth, the Day Master's own element. Mao hides no Earth and no Fire Resource, so Ji Mao supplies neither root nor Resource by itself; check other branches for hidden Earth or Fire. Visible peers are not hidden roots. If the hour is unknown, treat it as unconfirmed; near a day boundary, calculate your chart with accurate birthplace and time rather than assuming a universal rollover.

三 How to read it

How to Read Ji Mao Step by Step

Start with the cycle index. Ji Mao is pair 16 in the sexagenary sequence, and that number only fixes its position between Wu Yin and Geng Chen. It tells you nothing about strength or outcome. Next, read the stem: Ji is Yin Earth, the actual Day Master in both teaching charts below. Then read the branch: Mao is Yin Wood. Only after those two layers are settled should you open the hidden stems, because the Ten Gods inside Mao are calculated relative to Ji, not to any other stem.

Mao hides Yi, and for a Ji Day Master Yi is Seven Killings. This is a structural label, not a statement about violence or danger. Yi is not Direct Officer to Ji; Jia would be. The hidden-stem table below gives the exact stem, its Ten God relative to Ji, and the fixed calculator weight. Weights are conventions, not season-adjusted strength units, and they do not measure Day Master strength, which is a separate estimate. Note also that hidden-stem polarity need not match branch polarity, so do not assume a Yin branch must hide only Yin stems.

Now add the phase. Ji follows Ding and runs in reverse, so at Mao it reaches Sickness. Sickness here is a phase name, not illness, and it is a stem-branch lookup rather than a score, health measure, biological age, or prediction. At the day position the Day Master phase and the pillar-stem phase are the same lookup, not two different energies. Earth-follows-Fire is a declared convention in this calculator, not a universal school rule, so treat the phase as one reference layer among several.

Finally, check the complete chart. Mao hides no Earth root and no Fire Resource, so Ji Mao alone gives the Day Master no root and no Resource. Roots must hide the same element as the actual Day Master, Earth for Ji, and they must appear in other branches; visible peers are not hidden roots. A Fire main qi does not remove a branch's hidden Earth root, so inspect every branch's hidden stems. Use the Mao Rabbit Earthly Branch reference for branch detail, and remember that phase cannot create a root or predict development timing.

To place this pair within the sexagenary cycle, use the ordered table in the sixty Jia Zi cycle; its number identifies a position, not a rank.

四 When the reading changes

Season and Context Change the Reading

When 己卯 appears as the day pillar, the first check is the month branch, because season decides whether the 卯 wood is supported or exposed. In a winter chart such as 庚子 month, water dominates and the 乙 Seven Killings hidden in 卯 has little fire to warm it; the 己 Earth Day Master looks for hidden Earth elsewhere, and the year 未 supplies an Earth root through 己, while 丁 is Fire Resource. In an early-summer chart such as 乙巳 month, fire is abundant, but a fire main qi does not remove the hidden Earth root inside 巳, so 戊 still counts as a root reference. The phase label 病, Sickness, is a stem-branch lookup, not a health statement or biological age. It simply records where 己 sits against 卯 under the yin-reverse, Earth-follows-Fire convention. Readers who want to see how these lookups are organized can review how to use the 12 growth phases before comparing columns.

Root Versus Resource in the Two Teaching Charts

In chart A, 辛未 庚子 己卯 己巳, the Day Master 己 finds hidden Earth in 未 (己, weight 1) and in 巳 (戊, weight 0.3), while fire resource appears in 未 (丁, 0.5) and 巳 (丙, 1). The 卯 branch itself hides only 乙 Seven Killings, so the day pillar contributes no Earth root and no fire resource of its own. In chart B, 壬午 乙巳 己卯 己巳, the year 午 hides 丁 Indirect Resource and 己 Friend, and both 巳 branches hide 丙 Direct Resource plus 戊 Rob Wealth. Here the resource layer is heavier, yet the day pillar still hides only 乙. The month stem 乙 is Seven Killings to 己, not Direct Officer, because Yi is yin wood and Ji is yin earth; the polarity differs from Jia. A visible peer stem such as 己 in the hour is not a hidden root, and the day-position phase and pillar-stem phase for 己卯 are the same lookup, not two separate energies.

Relationship Reading Limits

The 卯 branch carries 乙 Seven Killings, which in Ten Gods terms describes a controlling relationship to the Day Master. That label does not mean violence, danger, or a troubled marriage. It describes a structural relationship between the day stem and the hidden stem, and its practical weight depends on whether Earth roots and fire resource exist elsewhere. In chart A the single 卯 is balanced by 未 and 巳 roots; in chart B the doubled 巳 gives more resource support but also more wood pressure from 乙巳 month. A reader checking a real chart should look at whether other branches hide Earth, whether fire resource is present, and how the month branch relates to the day branch, rather than treating the Seven Killings label as a verdict on any relationship.

Career and Reflection Limits

Career observations follow the same restraint. The 卯 wood as Seven Killings can be read alongside the visible stems: 辛 Eating God and 庚 Hurting Officer in chart A, 壬 Direct Wealth and 乙 Seven Killings in chart B. These are structural positions, not job recommendations. The phase 病 at the day pillar cannot create a root, cannot predict timing, and cannot substitute for the separate Day Master strength estimate in the calculator interface. When reflecting on a 己卯 day pillar, the useful questions are which branches hide Earth, where fire resource sits, and whether the month branch supports or strains the day branch. Those observable placements give the reading its substance; the phase name and Ten God label are reference points, not forecasts.

五 Worked chart examples

Calendar-screened teaching charts, not client biographies. Both use a Ji Earth Day Master; several other placements differ.

Chart A places 己 as the actual Day Master at the day position, with 卯 directly beneath it. The only hidden stem in 卯 is 乙, which is Seven Killings relative to 己, at full branch weight. The Sickness phase comes from the stem-branch lookup for 己 at 卯 under this article's convention: Ji reverses like Ding, and Earth follows Fire. At the day position, the Day Master phase and the pillar-stem phase are the same lookup, not two separate energies. Sickness is a phase name, not an illness, and Seven Killings is a Ten God label, not a statement about violence or danger.

What cannot follow from the label: 卯 hides no Earth root and no Fire Resource. Yi is not Direct Officer to Ji; for 己, 乙 is Seven Killings. A root for 己 requires hidden Earth, whereas Fire Resource can occur on a visible stem or inside a branch. In chart A, the year branch 未 hides 己 Earth and 丁 Fire, and the hour branch 巳 hides 丙 Fire and 戊 Earth. Those positions supply root and Resource; the day branch does not.

One useful contrast is the hour pillar 己巳. Its branch hides 丙 Direct Resource, 庚 Hurting Officer, and 戊 Rob Wealth, and its phase is Emperor for both lookups. The day pillar's phase is Sickness, and its branch hides only 乙. Another contrast is the year branch 未, which hides 己 Friend, 丁 Indirect Resource, and 乙 Seven Killings together, while 卯 carries 乙 alone. The visible hour 己 is a Friend, not a hidden root; the year stem is 辛 Eating God.

The Day Master here is 己 Yin Earth, and the day branch 卯 hides only 乙 Seven Killings. Because 乙 is Yin Wood and 己 is Yin Earth, the relationship is Seven Killings, not Direct Officer. The Sickness phase is a stem-branch lookup reference, not illness, and “Killings” is a Ten Gods label, not violence or danger. 卯 hides no Earth root and no Fire Resource, so the day pillar alone supplies neither. Roots must hide Earth, the same element as the actual Day Master; Fire is Resource. Elsewhere, hidden Earth supplies roots; Fire Resource can be visible or hidden.

How Chart B Differs from Chart A

Both teaching charts use 己 as the actual Day Master, so Ten Gods stay relative to 己 throughout. Chart A surrounds the day pillar with 辛未, 庚子, and 己巳. Chart B changes the year to 壬午 and the month to 乙巳, while the hour remains 己巳. In B, 乙 sits visibly on the month stem as Seven Killings, and 巳 recurs in month and hour, hiding 丙 Direct Resource, 庚 Hurting Officer, and 戊 Rob Wealth. The year 壬午 shows 壬 Direct Wealth with 午 hiding 丁 Indirect Resource and 己 Friend. The day pillar itself is unchanged: 己卯, with 乙 Seven Killings hidden in 卯.

Phase direction matters for lookup. 戊 runs forward like 丙, while 己 runs in reverse like 丁; Earth-follows-Fire is a declared convention here, not a universal rule. Under that convention, 己 at 卯 is Sickness. The day position’s Day Master phase and pillar-stem phase are the same lookup, not two different energies. Phase cannot create a root or predict timing. Hidden-stem polarity need not match branch polarity, and a hidden stem is not visible.

Reader Check

• Confirm the actual Day Master is 己 before assigning Ten Gods.
• Check whether hidden stems elsewhere contain Earth for root and Fire for Resource.
• Do not treat 卯 as an Earth root or Fire Resource.
• Read 乙 as Seven Killings to 己, not Direct Officer.
• Compare B with A by changed surrounding pillars, not by the shared day pillar.

For a contrast using a yin Fire Day Master on the same Mao branch, see Ding Mao Day Pillar.

六 What the counts mean

The ordered cycle contains 60 distinct pairs. Each stem appears in six of them. A specific day pillar occupies one of those 60 positions. These counts describe the cycle, not a measured population distribution or a probability of any life outcome.