Gap-Sin day pillar at a glance
A tree growing on rocky metal ground.
| Day pillar | Gap-Sin (甲申) · Mandarin Jia Shen · Korean 갑신일주 |
|---|---|
| Heavenly stem | 甲 Gap — Yang Wood (a tall tree) |
| Earthly branch | 申 Sin — Monkey, Metal (yang) |
| Season / hour of the branch | early autumn (Aug) · 3–5 pm |
| Hidden stems (지장간) | 戊 Indirect Wealth · 壬 Indirect Resource · 庚 Seven Killings |
| 12 life stage (12운성) | Severance (절) |
| Spouse-palace star | Seven Killings (편관) |
| Nayin sound element | Spring Water (泉中水) |
| Position | #21 of the 60 Gapja (decade of 甲申) |
Gap-Sin day pillar personality
- enterprising
- sharp
- mobile
Gap-Sin places Wood on top of Metal, the element that cuts it. With Seven Killings in the spouse palace and Gap in Severance, tradition reads a person who grows through pressure, makes sharp decisions and changes direction quickly. The Monkey’s hidden Water feeds the tree, so help often arrives at the last moment. Gap-Sin types benefit from stable routines that reduce stress.
The Gap day master
Gap (甲) is the great tree: upright, ambitious and growing toward one clear goal. Gap people tend to set direction for others, keep their word and dislike bending their principles.
Sitting on Sin (申)
Sin (申) is early-autumn metal carrying the seed of water. As a day branch it adds versatility, cleverness and a love of activity and travel. Its main hidden stem, 庚, is Seven Killings to a Gap day master (pressure, courage, authority), so the inner self leans toward pressure.
Like every one of the 60 pillars, Gap-Sin pairs a stem and a branch of the same polarity, so it is a purely yang pillar: outgoing, initiating and direct in expression.
Hidden stems and the 12 life stages
Every earthly branch carries one to three hidden stems (지장간, jijanggan). Their share follows the traditional day-count table (월률분야) used by the site’s Saju calculator. Each hidden stem becomes a ten god when compared with the day master 甲.
| Hidden stem | Element | Role | Days | Ten god | Theme |
|---|---|---|---|---|---|
| 戊 Mu | Yang Earth | residual qi | 7 | Indirect Wealth | big money, activity, opportunity |
| 壬 Im | Yang Water | middle qi | 7 | Indirect Resource | intuition, unusual learning, solitude |
| Gyeong | Yang Metal | main qi | 16 | Seven Killings | pressure, courage, authority |
Life stage: Severance (절)
Severance (Jeol) is the cut between one life and the next: decisive, fresh, sometimes changeable. It suggests clean breaks, quick fresh starts and openness to unusual paths. For Gap, that stage falls exactly on Sin, so the pillar’s own branch shows clean breaks.
Five-element balance
On its own, the Gap-Sin pillar is led by Wood (50%), followed by Metal (27%), Earth (12%), Water (12%). Fire is absent from the pillar itself.
One pillar is only two of the eight characters in a full chart; the year, month and hour pillars often fill the gaps. Tradition treats under-represented elements as balancing themes, for example Fire → warm light, exercise that makes you sweat, social plans; Earth → regular meals, routines, tidy spaces, gardening; Water → sleep, water, journaling, quiet reading.
Gap-Sin in love and compatibility
The day branch is called the spouse palace. With Seven Killings in the spouse palace, attraction to strong, intense personalities is common and the relationship carries some tension. Respecting each other’s space keeps the spark without the strain.
As a Gap day master, Gap-Sin is loyal and protective, likes to take the lead and plan the future together, but can be slow to say sorry. Starting (“post-horse”) branch: In, Sin, Sa and Hae begin each season. Tradition links them with Yeokma (驛馬, travelling horse): movement, change of place and busy schedules.
Compatible and challenging day pillars
- Best traditional match: Gi-Sa (己巳) — stems combine (甲 + 己 → Earth) and branches form a six-harmony (申 + 巳).
- Friendly branches: Sa (Snake) (six-harmony) and Ja (子) and Jin (辰) (three-harmony Water frame).
- Most tension: Gyeong-In (庚寅) — the branches clash (申 vs 寅) and the stems clash.
Compatibility in Saju compares whole charts; the day pillar is only one piece. Treat this as a conversation starter, not a verdict on any relationship.
Gap-Sin day pillar for women and men
Personality traits above apply to everyone. Gender enters only through an old convention: classical texts treat Wealth as the spouse star in a man’s chart and Officer in a woman’s chart. Modern readers apply the spouse palace to any partner.
Gap-Sin woman
Seven Killings (庚) sits in the spouse palace as the main qi, which classical texts read, for a woman’s chart, as a close and strong, visible bond: the partner star is “at home”. Being the main star, it tends to show clearly in daily life.
Gap-Sin man
Indirect Wealth (戊) sits in the spouse palace as the residual qi, which classical texts read, for a man’s chart, as a close and quiet but present bond: the partner star is “at home”. Being a hidden minor star, its influence is subtler and often grows with age.
Gap-Sin career and work style
Career themes in Saju come from the day master and from the star in the spouse palace, which also shows how a person behaves in private and in partnerships.
- From the Gap stem: planning and strategy, education and training, management and public service, founding a project from zero.
- From Seven Killings in the day branch: high-pressure roles: police, military, medicine, crisis management.
- From the Severance stage: new ventures, career switches and unusual niches.
Work that draws on the pillar’s keywords (enterprising, sharp, mobile) tends to feel most natural for Gap-Sin.
Strengths and cautions
Strengths
- clear sense of direction
- integrity and backbone
- natural leadership
- Pressure (Seven Killings seat)
- Clean breaks (Severance stage)
Watch out for
- stubbornness when challenged
- pride that resists help
- starting more than can be finished
- Stress and overload
Gap-Sin day pillar in 2027 (Jeongmi year)
2027 is the Jeongmi (丁未) year, Yin Fire over the Earth Goat, running from Ipchun (around 4 February 2027) to Ipchun 2028 in Saju.
| 2027 factor | For Gap-Sin |
|---|---|
| Year stem 丁 Jeong | Hurting Officer |
| Year branch 未 Mi (main qi 己) | Direct Wealth |
| Gap at Mi | Tomb stage |
| Day branch 申 vs 未 | No major relation |
For Gap day masters 2027 brings Jeong (丁) as Hurting Officer and the Mi branch’s main qi as Direct Wealth. Tradition reads a year of expressing ideas and turning them into money: good for launching side projects, presenting work or changing roles, with a reminder to choose words carefully with bosses.
Sin and Mi have no major combination or clash; 2027 is read as a neutral background for the spouse palace.
Gap-Sin days in 2027: Jan 5, Mar 6, May 5, Jul 4, Sep 2, Nov 1, Dec 31. Some people like to schedule small personal milestones on their own pillar’s days, purely for fun.
Year readings are traditional entertainment. Make decisions about money, health or relationships on facts and professional advice.
Traditional labels and concept notes
- Starting (“post-horse”) branch — In, Sin, Sa and Hae begin each season. Tradition links them with Yeokma (驛馬, travelling horse): movement, change of place and busy schedules.
- Nayin: Spring Water (泉中水), the “sound element” shared with Eul-Yu (乙酉).
- Empty branches (gongmang, 空亡): O and Mi (午未), because Gap-Sin belongs to the decade that starts with 甲申.
- Same pillar as the years 1944, 2004, 2064 (for the year pillar, not the day).
Labels such as Goegang or Baekho come from classical star lists that vary between schools. They are historical vocabulary, not predictions.
How Gap-Sin compares with neighbouring pillars
Same stem Gap (甲), different branches
| Pillar | Branch | Life stage | Spouse-palace star |
|---|---|---|---|
| Gap-Ja (甲子) | Rat Water | Bath | Direct Resource |
| Gap-In (甲寅) | Tiger Wood | Prosperity | Friend |
| Gap-Jin (甲辰) | Dragon Earth | Decline | Indirect Wealth |
| Gap-O (甲午) | Horse Fire | Death | Hurting Officer |
| Gap-Sin (甲申) | Monkey Metal | Severance | Seven Killings |
| Gap-Sul (甲戌) | Dog Earth | Nurture | Indirect Wealth |
Same branch Sin (申), different stems
| Pillar | Stem | Life stage | Spouse-palace star |
|---|---|---|---|
| Gap-Sin (甲申) | Yang Wood | Severance | Seven Killings |
| Byeong-Sin (丙申) | Yang Fire | Illness | Indirect Wealth |
| Mu-Sin (戊申) | Yang Earth | Illness | Eating God |
| Gyeong-Sin (庚申) | Yang Metal | Prosperity | Friend |
| Im-Sin (壬申) | Yang Water | Birth | Indirect Resource |
How to find your day pillar
- Open the free Korean Saju calculator and enter your birth date, time and city.
- Read the day column of your chart: the top character is your day master, the bottom one your spouse palace.
- Check births near midnight: schools differ on whether 11 pm–midnight belongs to the same day or the next.
- Unlike the year and month, the day pillar ignores solar terms: it is a continuous 60-day count, so Gap-Sin returns every 60 days.