🐖 In the popular horoscope, the Pig is described as a "kind, generous, but naïve" person. In authentic BaZi (八字 — bā zì, "eight characters"), a far deeper figure stands behind this sign. The Pig is the earthly branch 亥 (hài — Pig), Yang Water, the gateway of winter and the final branch of the duodecimal cycle. In this article we will examine it by the canon of the Joey Yap school: hidden stems, element, combinations and clashes, birth years and real compatibility.
1 What the Year of the Pig means in BaZi
In the BaZi system, each year corresponds to one of the 12 earthly branches (地支 — dì zhī, "earthly branches"). The Year of the Pig is a year in which the yearly branch is 亥 (hài — Pig). This is the 12th, the final branch of the cycle, coming right after the Dog 戌 (xū — Dog) and closing the circle before the Rat 子 (zǐ — Rat).
By its nature, 亥 is Yang Water (壬 — rén, Water as a heavenly stem lies at its foundation). This is "great water": the ocean, the river, a moving current — unlike the "yin," rain water of the Rat. The Pig opens winter: it is the start of the 10th lunar month, the moment when outer activity fades and inner depth grows.
As the final branch of the cycle, 亥 carries the theme of completion and, at the same time, a new beginning. It is the "gateway" through which the old year passes into the new. A person with the Pig in their year of birth often carries an energy of wise completion, depth and quiet optimism — that of one who sees beyond the present moment.
2 The Hidden Stems 藏干 of the Pig
The main depth of any earthly branch lies in its hidden stems (藏干 — cáng gān, "concealed heavenly stems"). These are the heavenly stems "packed" inside the branch, which reveal its true elemental composition. The Pig 亥 contains two hidden stems:
| Hidden stem | Pinyin · meaning | Element | Role |
|---|---|---|---|
| 壬 | rén — Water | Yang Water | Main (本气 — běn qì, the primary energy) |
| 甲 | jiǎ — Wood | Yang Wood | Growing (the birth of spring Wood) |
This composition explains the Pig's dual nature. 壬 (rén — Water) gives depth, wisdom, fluidity and generosity — Water always "gives" and nourishes. And the 甲 (jiǎ — Wood) hidden within is the seed of growth: the Pig's Water already carries the coming spring inside it. So 亥 is not "still water," but water that gives birth to life.
3 The Pig's Character — only the yearly layer
Let us repeat the key idea: what follows describes exclusively the yearly layer, the energy of the pillar of ancestors and lineage, not the whole personality. Personality is determined by the Day Master (日主 — rì zhǔ, "master of the day"). And yet the yearly Pig gives a recognizable set of themes.
Strong traits of the yearly Pig
- Kindness. The main theme of 亥. The Pig is soft-hearted, responsive, holds no grudges. Water nourishes rather than destroys.
- Generosity. The Pig shares easily — its time, resources, care. The archetype of the hospitable host.
- Sincerity. A straightforward and honest nature, with no hidden agenda. It says what it feels.
- Optimism. A deep faith in the best; the ability to see beyond present difficulties.
Shadow traits
- Naïveté. The Pig's trustfulness sometimes leaves it open to being taken advantage of.
- Indulgence. A love of comfort and pleasures can turn into being spoiled.
- Melancholy. Deep Water knows how to "withdraw into itself" and drown in reflection.
4 The Pig's Element and Season
The Pig is Yang Water of early winter, the tenth lunar month (roughly November on the solar calendar). It is the first winter branch, the "gateway" of the cold season, when Water gathers its full strength.
| Parameter | Meaning |
|---|---|
| Element | Water (Yang) |
| Season | Early winter (10th lunar month, ~November) |
| Polarity | Yang 阳 (yáng) |
| Function | The gateway of winter, the birth of Wood 甲 (jiǎ) |
| Hours | 亥時 (hài shí) — 9:00–11:00 p.m. |
| Direction | Northwest (西北 — xī běi) |
This is "great, moving water." In practical analysis it nourishes Wood, quenches Fire and erodes excess Earth. In a chart that lacks wisdom, fluidity or resource (印 — yìn, "the nourishing element"), the Pig is able to bring precisely the water needed for growth.
Want to know not the year, but the whole chart?
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Get Full Chart →5 The Pig's Compatibility — 三合 and 沖
In authentic BaZi, "sign compatibility" is the interaction of earthly branches: combinations 合 (hé — "combination, harmony") and clashes 沖 (chōng — "clash"). For the Pig there are three key ones.
The triple combination 三合 — Wood
The Pig belongs to the triple combination 亥卯未 (hài mǎo wèi): Pig 亥 (hài — Pig) — Rabbit 卯 (mǎo — Rabbit) — Goat 未 (wèi — Goat). This trio (三合 — sān hé, "triple combination") transforms into Wood. Here the Pig plays the role of the "begetter": it is the one that launches the wood cycle, for the seed 甲 (jiǎ — Wood) is already hidden inside it. When all three meet, the potential of Wood unfolds fully.
The six combination 六合 — with the Tiger
The Pig forms a paired combination 寅亥合 (yín hài hé) with the Tiger 寅 (yín — Tiger). This combination (六合 — liù hé, "six combinations") traditionally yields Wood and is considered a "romantic bonding": the Water of the Pig nourishes the Wood of the Tiger, while the Tiger gives the Pig movement and purpose. On the level of relationships, this is one of the warmest and most fruitful bonds for 亥.
The clash 沖 — with the Snake
The Pig's main axis of tension is 巳亥冲 (sì hài chōng), the clash with the Snake 巳 (sì — Snake). This is the classic confrontation of Fire and Water: the fervent Snake against the deep Pig. A clash always means movement, change, sometimes crises and relocations — but not a "verdict." When Water and Fire collide, they give rise to steam: an energy that can be channeled.
6 Birth Years of the Pig
People born in the Year of the Pig have many different year stems — and therefore different "versions" of the Pig (Wood, Fire, Earth, and so on). Here are the nearest 亥 years on the BaZi solar calendar:
| Year | Stem + branch | Element of the year |
|---|---|---|
| 1983 | 癸亥 (guǐ-hài) | Water Pig |
| 1995 | 乙亥 (yǐ-hài) | Wood Pig |
| 2007 | 丁亥 (dīng-hài) | Fire Pig |
| 2019 | 己亥 (jǐ-hài) | Earth Pig |
| 2031 | 辛亥 (xīn-hài) | Metal Pig |
Note: a "2007 Pig" and a "2019 Pig" are fundamentally different people. One has Fire 丁 (dīng — Fire) above, the other Earth 己 (jǐ — Earth). The popular horoscope calls them the same and predicts the same thing for them — but in BaZi these are completely different charts.
7 Strengths and Weaknesses
The key to balance for the Pig at the level of the elements is the presence of a moderate amount of Fire (it brings warmth, direction and resolve) and Earth (it keeps the water within its banks and gives it form). An excess of Water can deepen the melancholy and the loss of focus. But the final balance is visible only from the full chart, not from the year.
8 Career and Money
The yearly archetype of the Pig is "flowing depth," so 亥 feels at home wherever wisdom, care, communication and intuition are needed. The main Water 壬 (rén — Water) pulls toward movement, exchange and knowledge; the hidden Wood 甲 (jiǎ — Wood) toward growth, the humanities and creative fields.
- Help and care. Medicine, psychology, charity, education, the social sphere.
- Communication and knowledge. Journalism, research, philosophy, consulting, trade and logistics (Water = movement).
- Creativity and hospitality. The arts, cuisine, the experience industry — where generosity becomes a profession.
With money, the Pig is generous and not stingy, spending easily on loved ones and pleasures. It is important for it to learn to "build banks" for its flow. But the sphere of wealth (財 — cái, "wealth") in the chart is determined by the Day Master's relationship to the wealth element, not by the year sign. The year only hints at the style.
9 Love and Relationships
In love, the yearly Pig is about warmth, care and devotion. It gives itself generously and sincerely in a relationship, creating comfort and emotional depth. The hidden Wood 甲 (jiǎ — Wood) is the sprout of a future that the Pig tends carefully together with its partner.
- A warm bond: the combination 寅亥合 with the Tiger 寅 (yín — Tiger) — mutual nourishment and movement toward a common goal.
- Allies in the trio: the Rabbit 卯 (mǎo — Rabbit) and the Goat 未 (wèi — Goat) — a shared wood-like softness, harmony and creativity.
- A growth zone: the Snake 巳 (sì — Snake) — the clash 巳亥冲, a passionate but "seesawing" relationship that requires maturity.
But true compatibility in BaZi is read through the spouse palace (the day branch) and the interaction of the Day Masters of both partners — not through the year sign. Two "Pigs" may not suit each other, while those "incompatible by horoscope" may complement each other perfectly.
Check compatibility for real
Not by the year sign, but by the full charts of both partners: Day Masters, spouse palaces, combinations and clashes of all the branches. Start by building your chart.
Build My Chart →10 Why You Need the Full Chart
Everything described above is one character out of eight. The Year of the Pig tells of your lineage, your ancestors and the first years of life, but almost nothing of your personality, career and destiny. Those are determined by:
- The Day Master (日主 — rì zhǔ) — who you are in essence.
- The month branch — the strongest in the chart, it sets the "season" and the strength of the Day Master.
- The hour pillar — talents, children, the second half of life.
- The luck pillars (大運 — dà yùn, "great cycles") — the ten-year periods of destiny.
- The yearly forecast (流年 — liú nián, "the current year") accounting for the whole chart, not "the same for all Pigs."
That is why a BaZi master never starts with "you are a Pig." They build all 8 characters and read their interaction. Only then does it "match" precisely — about character, about money, and about love.
If this article resonated — build your true chart. The Year of the Pig 亥 will take its rightful place in it: important, but only one of eight. And only by seeing the whole picture will you understand what the generous water of 亥 means specifically for you.