XUANJI 璇玑

Day Pillar #18 · 辛巳

"Xinsi (辛巳) — the Same Sentence Gives Its Twin Poverty and Gives This One Rank"

Position in the cycle	#18 of 60
Heavenly stem 天干	辛 — 金 Metal
Earthly branch 地支	巳 — 火 Fire
Nayin 纳音	白蜡金 — White Wax Metal (Metal)
Hidden stems 藏干	丙、庚、戊 — 丙 (Fire), 庚 (Metal), 戊 (Earth)
Twelve-stage placement 十二长生	死 — Death (of the stem in its own branch)

Nayin pairs two adjacent pillars under one name. It is tempting to read the name as the unit — to treat 白蜡金, white wax metal, as a thing that has properties. Xinsi (辛巳) is the clearest place in the register where the book itself refuses that reading, inside a single sentence.

The pair, and the split

此金惟喜火炼，须炉中炎火。然庚辰见之，若无水济，主贫夭，辛巳却以贵论，缘巳是金生之地，见丙寅化水逢贵故也；

This metal likes only to be refined by fire, and it must be the blazing fire of the furnace. Yet when Gengchen meets it, absent water to relieve it, the outcome is poverty and early death; Xinsi, by contrast, is judged as noble — because 巳 is the ground where metal is generated, and because meeting Bingyin it transforms to water and encounters nobility.

One prescription — furnace fire — issued to both pillars of the nayin, followed immediately by opposite outcomes for the two, with the reason stated. It is not left as a mystery or a matter of degree. 巳 is where metal begins its cycle; 辰 is not. The same treatment lands differently because the seat underneath it differs.

庚辰 Gengchen, the other half of this nayin, is where we wrote up the dose-limit pattern. This page is the other side of the same seam.

The short register agrees, and adds an image

辛巳金，金之幽者，杂沙石，喜火及秋。天德，福星，官贵，截路，大败，悬针，曲脚。

Xinsi metal: the hidden one among metals, mixed with sand and stone. It likes fire, and autumn. [Then the associated stars:] Heavenly Virtue, Fortune Star, Office Nobility, Blocked Road, Great Defeat, Hanging Needle, Bent Leg.

Two things worth noticing.

First, no 微. 庚辰's line caps its wood at slight; 辛巳's line caps nothing. The book is willing to give this pillar its fire straight, which is the register-level echo of the prose passage above.

Second, the star list is mixed and the book does not resolve it. 天德, 福星 and 官贵 are favourable; 截路, 大败, 悬针, 曲脚 are not. They are printed in one row without ranking. This is normal for the register and it is one of the reasons we think these entries are badly served by being flattened into personality descriptions — the source is listing conditions, not delivering a verdict.

A second witness, and it is emphatic

辛巳金为自生学堂，具英明瑰奇之德，秋冬得力十全，春夏七凶之吉；入贵格则主学行英伟，致身清贵，常怀济物之心。

Xinsi metal is the self-generating hall of learning, possessing a virtue of brilliance and rare distinction: in autumn and winter it obtains its strength complete; in spring and summer, fortune amid the seven ills. Entering a noble structure, it indicates learning and conduct of high calibre, a person who attains clear rank and habitually carries the intention to help others.

自生 — self-generating — is the same observation as 缘巳是金生之地, arrived at from a different direction. And note that even here the favourable reading is conditioned twice: by season, and by 入贵格, entering a noble structure. The register almost never issues an unconditional verdict. Where a modern summary would write "Xinsi people are brilliant scholars," the source writes if these conditions, then this capacity.

The stage table cuts the other way, and we are not going to hide it

辛 at 巳 falls at 死, death, in the twelve-stage cycle. So the deterministic table puts this pillar at the low end of its stem's cycle, while both prose passages above call it noble and self-generating.

These are not the same claim, and they are not measured on the same axis. The twelve-stage cycle tracks the stem 辛 against the branch. The nayin passage tracks 白蜡金 — a different layer — against 巳 as metal's ground of generation. Nayin does not obey the stem's stage table, and this pillar is a clean demonstration of it. For a pillar where that independence goes further still, see 丙午 Bingwu.

We flag the tension rather than pick a winner. Anyone telling you these two layers always agree has not read them next to each other.

The character we cannot let pass

This pillar is at the centre of a printing error we found in our own copy, and it is worth setting out because of how it is detectable.

The nayin generation passage should read 同位娶辛巳 — "in the same position it takes Xinsi to wife." Our edition prints 辛已. The same passage prints 乙已 for 乙巳 and 丁已 for 丁巳.

You do not need a second edition to know this is wrong. 已 is neither a heavenly stem nor an earthly branch, so 辛已 is not a pillar; the sexagenary cycle has no such combination. And the character sits inside an arithmetic chain — the 隔八生子 rule advances the cycle by exactly eight each step — so the sequence breaks at that point and can be checked by counting. The 甲子 Jiazi page sets out that chain in full.

A caution against over-reading this: across our whole corpus, "heavenly stem + 已" occurs 65 times, and we do not report that number as 65 errors. At least one is a legitimate use of 已 meaning "already," and some are 己/已 confusions rather than 巳/已 confusions — a different error with a different correction. The detector is a high-precision locator, not an automatic repair tool. We report the single sentence that stands up, not the larger number that sounds more impressive.

If your edition prints 辛巳 in that line, we would like to hear it — that is exactly the kind of report that tells us whether this is our copy or the tradition.

Sources: 《三命通会》 (San Ming Tong Hui, Ming, 万民英) and 《滴天髓》 (Di Tian Sui) — both quoted from local plain-text editions and verified character by character. Translations are ours. Corrections are welcome.

Other pillars in the series

甲子 Jiazi · 乙丑 Yichou · 丙寅 Bingyin · 丁卯 Dingmao · 壬申 Renshen · 癸酉 Guiyou · all sixty →