Seo In-guk birth chart and zodiac sign Saju reading
Singer & Actor · Born 1987-10-23 (public profile · birth time unknown)
The vine that climbed the iron gate of the Officer (庚金) and opened it with its own hands — Libra's face, Scorpio's voice
The Four Pillars (Saju)
Five-Element Balance
Notable Stars (神煞)
Wonjin (怨嗔) — a friction pair where expectation and resentment grow together — managing distance is the task
Gwimun (鬼門) — sharp intuition paired with deep dwelling — it catches what others miss
Gwaegang-sal (魁罡殺) — the fierce Big-Dipper star — decisiveness, command and self-reliance stand out (stronger when doubled)
Sukuyo — 27 and 28 Lunar Mansions
The 27-mansion value is the natal lodge; the 28-mansion value is the lodge assigned to the calendar day. Only the calculated mansions are shown here, without adding a personality claim.
Luck Timeline (Saju)
Ten-year major cycles and annual cycles computed from the public birth date (as of 2026).
Only degree-checked contacts between slow transiting planets and natal personal planets are shown for 2026.
- “Engine vs. Dream” — Transit Neptune facing natal Mars — a long backdrop where drive & action meets the theme of dissolution (orb 4.8°)
- “Drive Meets the Wall” — Transit Saturn facing natal Mars — a long backdrop where drive & action meets the theme of structure & duty (orb 5.4°)
The timeline shows calculated shifts and planetary contacts; it does not fix a specific event in advance.
Birth Chart — the same person, read in Western astrology
Birth time is not public, so houses, the Ascendant, and precise Moon aspects are omitted; only non-Moon planetary positions and aspects are shown.
The daytime face is a Libra Sun and Mars (balance, charm); the inner language is Mercury and Venus in Scorpio (the deep end) — Scorpio's water filling in the Water (水) his saju chart leaves empty.
Birth time is not public, so houses, the Ascendant, and precise Moon aspects are omitted; only non-Moon planetary positions and aspects are shown.
Saju × Astrology — the Combined Reading
The Eul wood of an Eulsa (乙巳) day pillar is a vine — its whole nature is the flexibility to wrap and climb where a tree would snap.
Start with the pillars, elements and birth chart below. The prose is best read as a plain-language explanation of those repeated structures, not as a verdict.
Full interpretation
The Eul wood of an Eulsa (乙巳) day pillar is a vine — its whole nature is the flexibility to wrap and climb where a tree would snap. In Seo In-guk's chart, this vine has taken the hand of 庚金 in the month stem — the Direct Officer, the gate of public systems and judging panels — through the Eul-Gyeong combination (乙庚合). The image maps almost line for line onto a career that began by winning season 1 of the nationwide open audition Superstar K. The structure is Siksin-gyeok, the Eating God pattern: the 丁 fire hidden in the month branch 戌 surfaces in the year stem, planting the grammar of a singer who writes and performs his own songs, then widens into acting, at the very center of the chart. And here is the twist — among the six visible characters there is not a single drop of Water (水), yet the astrology chart crowds Mercury and Venus into Scorpio, water's deepest end. A balanced Libra face on the outside, a Scorpio voice hidden underneath.
"The Siksin-gyeok that opened the audition's iron gate with a combination (合) — a singer-actor moving between Libra's face and Scorpio's voice"
Structure-by-structure reading
Eulsa (乙巳) — a vine standing on the Bath (沐浴), a character reborn with every wash
Eul wood is not a great tree but a vine — the character of bending and climbing instead of breaking — and beneath it the day branch 巳, a fire of expression that pulls what is inside out into the open. In the twelve life-stage cycle this seat is the Bath (沐浴): the stage of stripping off, washing clean and dressing anew, every single time. From audition-winning singer to the actor of Reply 1997, and on to the man who passes through twelve deaths and rebirths in Death's Game — Seo In-guk has kept changing skins his entire career, and the character reads exactly like that history.
Siksin-gyeok (食神格) — the star of making and sharing at the chart's center
The structure is Siksin-gyeok, a proper pattern built when the 丁 fire hidden in the month branch 戌 surfaces in the year stem (engine-calculated). The Eating God is a rounder star of expression than the Hurting Officer — it creates and shares rather than wringing itself out — and here it sits on the year branch's Myo (卯) wood at Geonrok, its own root, which says this expressiveness is not borrowed talent but something rising from his own ground. A singer who opened the door with his voice by winning Superstar K season 1 and went on to release self-written songs, then an actor who widened the territory from there — the Siksin-gyeok playbook, step for step.
The Eul-Gyeong combination (乙庚合) — a day master hand in hand with the audition's iron gate
The month stem 庚金 is the Direct Officer — the gate of public systems, judging panels, institutions. Yet the Eul wood day master is bound to this 庚金 through the 乙庚合 combination, and by the engine's ruling it completes a full transformation (合化) — a rare configuration. The vine did not slip past the iron gate; it climbed it and made it its own. Lay that over a debut won through the most public gate imaginable — a nationwide open audition — and the 乙庚合 becomes the narrative of this chart itself. The astrology echoes it: Jupiter trine Uranus at 0.2°, a circuit where doors opening without warning convert into luck, hangs there as the chart's most precise aspect.
The 巳戌 Wonjin and Gwimun — a mind that sees first and chews long
Between the day branch 巳 and the month branch 戌, the Wonjin and Gwimun angles overlap in the same seat. The gift is intuition that catches textures other people never notice — for an actor who dredges up a character's bottom-most feelings, that is not a flaw but equipment. Turned inward, though, the same angle becomes the pressure of chewing one thought over alone for far too long, and how he empties out the hours away from the stage reads as this chart's oldest piece of homework.
Shin-sal — a Taegeuk Noble riding the Traveling Horse, and a needle-fine Hanging Needle
The Traveling Horse is the star of crossing borders — a signal that overlaps with a career that keeps switching stages, between singer and actor, between Korea and abroad. The Taegeuk Noble and the Golden Carriage are auspicious stars of doors opening at the tightest moments and dignity kept intact — a chart where a path appears exactly where the road looked blocked. In shadow sits the Hanging Needle: a needle-sharp precision that turns pitch and detail into weapons but can just as easily sharpen the tip of the tongue. And the Lonely Star stretches out the hours spent digging alone — pointing the same direction as the Gwimun's rumination.
Sun and Mars in Libra — a likeable surface, a rhythm tuned to the other person
The Sun and Mars stand side by side in Libra — identity and drive both landing in the sign of relationship and balance. Even his pushing force calibrates itself to the other person's breathing, which lines up naturally with the actor who wins romance dramas on chemistry with his co-lead — Shopping King Louie, Doom at Your Service. The saju's Eating God (that rounder expression) and the Libra Sun are pointing the same way.
Mercury retrograde conjunct Pluto (0.9°) — a voice rising from Scorpio's deep end
Mercury sits retrograde in Scorpio, locked to Pluto at 0.9° — an aspect where words and songs refuse to skim the surface, descending to the floor before they rise. Venus is in Scorpio too — a grain of expression that never consumes feeling cheaply — and it reads straight into the depth of his ballads and a choice like Death's Game, a story that walks head-on through dying. Mercury sextile Neptune (4.8°) is the aspect that lets melody seep into that language — the singer's seat in the chart.
A vine that set the star of expression (the Eating God) at its center and joined hands with the public gate (庚金) — a chart that has kept renewing its songs and its roles between outer balance and inner depth.
Seo In-guk Chemistry Ranking
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FAQ
Seo In-guk's zodiac sign is Libra by Sun sign, based on his public birth date of October 23, 1987.
The Moon crossed from Libra into Scorpio during that date. Without a public birth time the Moon sign cannot be fixed, so this page notes both possibilities instead of claiming one.
Using public birth-date data, Seo In-guk's Saju day pillar is Eulsa (乙巳). The birth time is not public, so Auvylo does not use a Saju hour pillar.
No. It is a symbolic Saju and astrology reading based on public birth-date data only, not a claim about private thoughts or real-life intent.
No. It is a records-based reading from the publicly known birth date only, unrelated to the person's actual character or private life, and meant for entertainment. Saju never defines a person.
ⓘ Based on the publicly known birth date · birth time unknown (hour pillar, ascendant and houses omitted) · AI / classical readings are reference, not verdicts. This page is unaffiliated with the person and will be removed on request ([email protected]).