Last reviewed: 12Zodiacs Editorial Team

The Hairpin-Metal Pig

辛亥 (Xin-Hai) · 钗钏金 (Hairpin-Metal) · Metal Stem

Years: 1911, 1971, 2031 Element: Metal GanZhi: 辛亥 NaYin: Hairpin-Metal

The Metal Pig (辛亥 Xin-Hai, Hairpin-Metal 钗钏金) designates those born in 1911, 1971, or 2031. This combination fuses the Pig’s innate nature with metal’s decisiveness, justice, and rigidity, producing a firm will and strong execution. The Hairpin-Metal image grants unique resilience—not flashy power, but deep, enduring energy that withstands pressure.

Quick Facts

Years1911, 1971, 2031
GanZhi辛亥 (Xin-Hai)
NaYinHairpin-Metal (钗钏金 Chai-Chuan-Jin)
ElementMetal (Metal Stem)
Base ElementWater
Lucky Numbers7, 8, 21, 36
Lucky ColorsGold, Silver, White
Lucky DirectionWest, Northwest
NaYin SeasonAutumn
Trine GroupFourth Trine (Rabbit, Goat, Pig)
Sexagenary Position#48 of 60 in the Jia-Zi cycle
Lunar Year Dates1911: 1911-01-30 to 1912-02-18
1971: 1971-01-27 to 1972-02-15
2031: 2031-01-23 to 2032-02-?
Six Harmony (六合)Tiger — Secret Friend
Three Harmony (三合)Rabbit · Goat · Pig (Wood Trine)
Six Clash (六冲)Snake — Opposing Force
Five Element CycleGenerated by Earth → Metal generates Water → Controlled by Fire
Hairpin Metal Pig concept illustration - 辛亥 (Xin-Hai) BaZi combination

Pig Element Variants Compared

VariantGanZhiYearsStem Element
Mountain-Fire Pig乙亥1935, 1995Wood
Roof-Earth Pig丁亥1947, 2007Fire
Plain-Wood Pig己亥1959, 2019Earth
Hairpin-Metal Pig ← You are here辛亥1911, 1971, 2031Metal
Ocean-Water Pig癸亥1923, 1983Water
Strengths

The Hairpin-Metal Pig adorns life with the same refined gold that decorates a treasured hairpin — their generosity isn’t lavish spending but an art of giving that makes others feel cherished. They excel in curating experiences, whether hosting memorable gatherings or designing elegant spaces, blending the Pig’s warmth with an eye for detail. This combination thrives in hospitality, event planning, or any role where sincere care meets aesthetic grace. Their unique edge is turning ordinary moments into occasions of beauty and comfort.

Challenges

The Hairpin-Metal Pig’s precious nature can make them hesitant to engage in messy, unstructured situations — they may avoid conflict or difficult conversations to preserve harmony, yet this very avoidance can tarnish their relationships. The delicacy of hairpin gold means they fear being bent out of shape, leading to over-accommodation or passive resentment. When out of balance, they become ornamental rather than substantive, prioritizing appearance over authenticity, and may struggle to assert their own needs.

The NaYin: Hairpin-Metal (钗钏金 Chai-Chuan-Jin)

In classical Chinese astrology, each of the 60 year-stem combinations carries a specific NaYin (纳音, “assigned tone”) — a poetic elemental melody refining the Five Elements into 30 archetypes. The Hairpin-Metal (钗钏金) NaYin represents a unique expression of the metal element.

Classical Sources

《三命通会》(Comprehensive Treatise on the Three Fates)
By 万民英 (Wan Minying), Ming Dynasty, 1587 — Volume 30, “On NaYin Elements”:

“钗钏金者,美容首饰之金,增光腻肌,偎红倚翠,枕玉眠香之珍宝也。”

“辛亥,坚成之金,不可见火,恐有所伤,若得水土相之为贵。”

Yan Dongsou (阎东叟) commented: “辛亥金,禀干健纯明中正之气,春秋冬三时吉,夏七吉三凶,贵格乘之,体仁守义,若带刑煞,肆暴贪功。”

Born in January or February?

There are two systems for determining your zodiac year. Folk tradition uses Lunar New Year (late Jan / early Feb). BaZi astrology uses Lichun (立春, Start of Spring, ~Feb 3–5). If your birthday falls in this boundary period, you might belong to the previous sign (Dog) under one system but the Metal Pig under another. Use our BaZi Calculator to determine your exact pillar based on Lichun.

Core personality traits

Imagine a pig adorned not with mud and straw, but with a delicate hairpin of hammered gold—this is the Hairpin-Metal Pig (辛亥, Xin-Hai). The swine’s native warmth and generosity are here refined by the stem metal’s precision, like a jeweler’s file smoothing rough edges. The Sanming Tonghui (三命通会) describes this NaYin (钗钏金) as ‘the gold of adornments that beautifies the body, leaning against red and nestling among jade’—a metal meant for intimate ornament, not battlefield swords. This Pig’s kindness is no longer indiscriminate; it is focused, jewel-like, and chooses its recipients carefully.

The metal stem (辛) lends a cutting edge to the Pig’s easygoing nature. Where a typical Pig might flow with the current, the Hairpin-Metal Pig sets boundaries with the firmness of a gold clasp. Yet the earthly branch Hai (亥) is water, which tempers metal’s rigidity, keeping it from becoming brittle. This creates a paradox: a being of strong principles who can still bend when the heart demands. They possess a quiet authority, like a master craftsman who never raises his voice but whose work commands respect.

However, this refinement comes at a cost. The same metal that polishes their virtue can also make them inflexible. They may hold others to the same high standards they set for themselves, leading to disappointment when the world proves unpolished. The classical text warns that this metal ‘must not see fire, lest it be harmed’—a caution against forcing their will onto circumstances. Their challenge is to remain as open as a pig’s heart while as discerning as a hairpin’s point.

Relationships and romance

In love, the Hairpin-Metal Pig is like an heirloom hairpin: precious, carefully guarded, and not easily given. They enter relationships with clear criteria—the metal stem demands precision in a partner. They are not ones for casual dalliance; when they commit, it is with the same meticulous care a jeweler uses to set a gem. Their love language is acts of service and quality time, but with a perfectionist edge: they will remember the smallest detail of your preferences, yet may bristle if you forget theirs.

The Pig’s native sincerity is tempered by metal’s sharpness. They are fiercely loyal, but if betrayed, they cut ties with surgical finality—no lingering, no second chances. Their best match is the Tiger (六合, Liuhe), whose boldness can coax the Pig out of their rigid patterns and whose fire forges the hairpin into something more flexible. With the Tiger, the Hairpin-Metal Pig learns that love is not just about holding firm but about dancing together, like light on polished gold.

Their blind spot is a tendency to idealize their partner, expecting them to fit a pre-conceived mold. When reality falls short, disappointment can curdle into resentment. The key for this Pig is to embrace the imperfection inherent in all living things—to see beauty in the patina of time, not just in the first polish.

Career and professional life

The Hairpin-Metal Pig’s career path is one of meticulous craftsmanship. They thrive in fields where precision, rules, and a sense of justice are paramount: law, finance, auditing, medicine, or technology. The metal stem gives them a razor-sharp analytical mind, capable of dissecting complex problems with the same care a jeweler uses to cut a diamond. Their Pig nature lends patience and endurance—they can sit with a problem for hours, days, or years until it yields.

The NaYin quality of ‘hairpin’ suggests a role that is supportive yet essential. They excel as the expert behind the throne: the senior consultant, the lead researcher, the chief editor. They are not suited for the spotlight but for the quiet mastery of their domain. The Sanming Tonghui notes that this metal ‘increases the luster of the skin and leans against red and jade’—a metaphor for roles that enhance and refine the work of others. They make excellent mentors, their guidance as precise as a hairpin’s point.

Their career vulnerability is a tendency toward perfectionism that can become paralyzing. They may refuse to delegate, believing only they can do it right, and burn out under the weight of their own standards. They must learn that not every project requires a master’s touch—some tasks are meant to be done, not perfected.

Health and wellbeing

The Hairpin-Metal Pig’s health is governed by the interplay of metal and water. Metal rules the lungs and large intestine, while the Pig’s native water governs the kidneys and metabolism. This pairing creates a need for balance: too much metal can dry the lungs, leading to coughs, dry skin, or constipation; too little can leave the kidneys depleted, causing fatigue and fluid retention.

Wellness for this Pig is about moisturizing the metal without drowning the water. White foods—snow pear, tremella, lily bulb, daikon radish—nourish the lungs and keep the skin supple. They should avoid overly dry or spicy foods, which aggravate metal’s harshness. The NaYin’s image of a hairpin suggests that their vitality is like a delicate ornament: beautiful but requiring careful maintenance. Regular, moderate exercise—swimming, yoga, tai chi—supports both the kidneys and the lungs, keeping the Qi flowing like water over polished gold. They must also guard against emotional rigidity, as suppressed emotions can manifest as respiratory tension. A practice of deep, conscious breathing can soften the metal’s edge and restore the Pig’s natural flow.

Wealth and finances

The Hairpin-Metal Pig’s financial style is that of a precision investor. They are not gamblers; they analyze, research, and wait for the perfect opportunity, like a jeweler selecting the finest gem. Their money is well-guarded, often saved in tangible assets—property, precious metals, collectibles—that mirror the NaYin’s love of durable beauty. They are generous but not wasteful, their charity as calculated as their investments.

However, the hairpin’s flaw is its fragility: they can be overly cautious, missing opportunities that require swift action. The classical text’s warning against fire applies here—they may avoid any risk, even calculated ones, and their wealth stagnates like gold locked in a vault. Their financial pitfall is a tendency to hoard, mistaking caution for wisdom. They must learn to let some coins flow, like water over metal, to attract more. A portion of their portfolio should be dedicated to ventures they believe in, even if the return is uncertain—the hairpin must occasionally be worn, not just admired.

Personal growth and development

The Hairpin-Metal Pig’s growth edge is the tempering of their own perfectionism. They are born with the potential to be extraordinary—a being of refined virtue and sharp intellect—but only if they learn to soften. The NaYin of the hairpin is beautiful but static; for it to truly shine, it must be worn, moved, and occasionally polished by the rough hand of life. They must learn that their principles are guideposts, not prison bars.

A specific practice for this Pig: once a week, do something imperfect on purpose. Cook a meal without following the recipe, speak without editing, accept a compliment without deflecting. This small act of letting go will loosen the metal’s grip and allow the Pig’s natural warmth to flow. As they integrate flexibility with their precision, they become not just a good pig, but an extraordinary one—a being whose kindness is as sharp as it is soft, whose strength is as yielding as it is firm. The hairpin, once worn, catches the light in ways a locked treasure never can.

Hairpin-Metal Pig Years

YearGanZhiTypeDetails
1911辛亥Hairpin-Metal PigView Profile →
1971辛亥Hairpin-Metal PigView Profile →
2031辛亥Hairpin-Metal PigView Profile →

Famous Hairpin-Metal Pigs

Notable figures born in 1911, 1971, 2031.

Mark Wahlberg (1971)
The Departed, Ted, former rapper Marky Mark.
Snoop Dogg (1971)
West Coast rap icon, pop culture mainstay, entrepreneur.
Ronald Reagan (1911)
40th President; optimistic warmth and generous communication style.
Justin Trudeau (1971)
Prime Minister of Canada since 2015.
Elon Musk (1971)
Tesla, SpaceX, X (Twitter), Neuralink, world's richest.
Best Compatibility Matches
Pig & Tiger
A Six Harmony (六合) match — the secret friend combination, naturally aligned in energy and purpose.
Pig & Rabbit
A Three Harmony (三合) match — same elemental trine, complementary energies.
Pig & Goat
A Three Harmony (三合) match — same elemental trine, complementary energies.

Common questions

How do Metal Pigs find their life purpose?

Metal Pigs (辛亥, Hairpin Metal) find purpose through creative refinement and service. The Hairpin Metal element symbolizes delicate adornment, so they thrive in roles that enhance beauty, culture, or communication. Their life path often involves polishing raw talents into elegant expressions, whether in art, education, or craftsmanship. The Pig’s innate generosity combined with Metal’s precision drives them to seek meaningful contributions that leave a lasting, tasteful impact.

How will the 2026 annual energies interact with Metal Pig luck?

2026 is the Year of the Fire Horse (丙午). For Metal Pigs (辛亥), the Fire clashes with the Heavenly Stem Xin, creating potential for career upheavals but also breakthroughs. The Horse’s yang energy may stir impatience, so Metal Pigs should avoid hasty decisions. However, the Earthly Branch Hai (Pig) and Wu (Horse) form a hidden harmony, suggesting support from mentors or unexpected allies. Focus on steady progress and avoid overextending resources.

What elemental dynamics make Hairpin-Metal unique among the 30 NaYin?

Hairpin Metal (钗钏金) is one of the most refined NaYin types, representing precious metal crafted into ornamentation. Unlike heavy metals like Sword or Sea Metal, Hairpin Metal emphasizes elegance and subtlety. Its combination with 辛亥 (Xin-Hai) creates a gentle but resilient energy—flexible yet strong. This NaYin excels in delicate tasks, symbolizing beauty and status, but requires careful handling to avoid tarnishing.

Which of the five metal-type Pigs is most powerful?

Among the five Metal Pigs, the 辛亥 (Hairpin Metal) is considered the most spiritually refined, but the 癸亥 (Sea Water Pig) is often deemed most powerful due to Water’s adaptability. However, 辛亥 stands out for its precision and aesthetic influence. Its power lies in subtlety—shaping culture and relationships with grace. For raw force, other Metal Pigs may dominate, but for enduring impact, 辛亥 is unmatched.

How do intercalary months impact Metal Pig determination?

Intercalary months (leap months) in the Chinese calendar can disrupt the Earthly Branches’ stability, testing Metal Pig (辛亥) determination. The extra month may create delays or require reassessment of plans. Hairpin Metal’s delicate nature means it must avoid overexertion during these periods. However, the Pig’s persistent optimism helps navigate obstacles. Metal Pigs born in leap months often exhibit stronger resilience, turning setbacks into opportunities for refinement.

What can we learn from famous Metal Pig life stories?

Famous Metal Pigs (辛亥, e.g., those born in 1971) often demonstrate how to blend creativity with discipline. Those born in 1971 show that Hairpin Metal thrives when artistic vision is paired with practical execution and patient refinement. Their stories highlight the importance of patience—polishing one’s craft over time. They also teach that generosity (Pig trait) paired with strategic thinking (Metal) leads to lasting influence.

What does 2026 hold for Metal Pigs?

2026 (Fire Horse) presents a mixed outlook for Metal Pigs. The Pig-Horse clash may disrupt stability. However, your Hairpin-Metal (钗钏金) resilience helps you adapt. Focus on flexibility in work and relationships; avoid major risks. With care, you can navigate the turbulence.

How do Chinese astrologers describe the Metal Pig type?

Chinese astrologers describe the Metal Pig (辛亥, Hairpin Metal) as ‘the refined artist’—someone with an innate sense of beauty and a gentle but unyielding will. They are seen as diplomatic yet principled, capable of navigating social complexities with charm. The Hairpin Metal element suggests a person who adds value through subtlety, often excelling in fields requiring precision and taste. Their challenge is to avoid becoming overly perfectionistic or detached from practicality.

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