Geng Shen (庚申) Jiazi Pair Explained: The 57th of 60 Combinations

The Geng Shen Pair (庚申): Jiazi Explained

Geng Shen (庚申) is the 57th of the sixty Jiazi pairs, the stem-branch combinations that structure the entire Chinese calendar, BaZi charts and Qi Men Dun Jia timing alike. In the current cycle its years are 2040 and 2041, followed by its partner pair Xin You (辛酉) completing the same nayin group.

Two metals in a monkey’s forge: geng shen sharpens itself on itself. Pair it with something soft.

If that sounds abstract, think of the sixty pairs as the alphabet of Chinese time. Every year, month, day and hour in these systems is written in one of these sixty combinations, so understanding a pair is understanding the vocabulary the whole system speaks.

Geng Shen Quick Facts

What the Geng Shen Pair Means: A Steady Pair

Classical analysis of a stem-branch pair starts with their elements, and here stem and branch share the Metal element. Self-reinforcing and steady, a pairing that reads as consistency, with the classic caution that sameness brings strength without contrast.

This relation is why two pairs can both be called auspicious while feeling completely different in a life. The nourishing pairs suggest support arriving from the environment; the commanding pairs suggest the person taking charge of the environment; the disciplining pairs suggest life itself as the teacher. None of the five relations is good or bad. Each is a style of exchange between a person’s core and their ground.

The Two Years of the Wood of the Pomegranate Nayin Group

Geng Shen (庚申) and Xin You (辛酉) share the nayin Wood of the Pomegranate (石榴木): pomegranate wood: many-seeded, productive, colorful results from firm wood. People born in 2040 carry the Metal Monkey year, and people born in 2041 carry the Metal Rooster year. The year-by-year detail, including the Li Chun boundary and the branch interactions, lives on the dedicated year pages, and the full chart method is in the BaZi chart guide.

Because the cycle repeats every sixty years, Geng Shen years also include 1980, 1920, and will return in 2100. The pair is the same; the generations differ, which is a nice reminder that a chart describes energies, not destinities.

Where Jiazi Pairs Appear in Your Chart

Every pillar in your BaZi is a jiazi pair: year, month, day and hour each carry one of these sixty combinations. The day pillar, most important of the four, has a one-in-sixty chance of being Geng Shen, and practitioners meet the pair again in decade luck cycles, annual years and QMDJ charts. If you want to see how the pairs are actually extracted from birth data, the beginner step-by-step guide walks through the whole process in one sitting.

The Monkey Branch in Geng Shen

The branch carries the zodiac identity of the pair, here the Monkey, and with it the layer people actually feel in daily life. Every Monkey year, month, day or hour written with this branch carries the same family of themes: the tendencies, the strengths and the friction points that follow the Monkey wherever the pair appears in a chart. Readers who want the full Monkey picture, from branch interactions to 2027 timing, will find it in the zodiac and BaZi references on this site.

How to Find Your Own Jiazi Pair

Any BaZi chart lists the four pillars, and each pillar is one of these sixty pairs. Look up the day pillar, which most software and printed charts mark clearly, and the pair name written beside it is the one to study first. The year pillar pair, like the one this page describes when you were born in 2040, is the background layer; the day pair is the core. Both are worth knowing, and both take under a minute to find with the beginner plotting guide.

Geng Shen FAQ

Which years are Geng Shen years?

In the current cycle, 2040 and 2041. Going back: 1980 and 1981, 1920 and 1921. The pair returns every sixty years, and exact year boundaries follow Li Chun, around February 4, not Chinese New Year; the Chinese New Year dates reference has the exact boundaries.

What does it mean if my day pillar is Geng Shen?

Your core self carries the a steady pair signature. In element terms, stem and branch share the Metal element. Self-reinforcing and steady, a pairing that reads as consistency, with the classic caution that sameness brings strength without contrast. How that plays out in your life depends on the rest of the chart, which is exactly what a full reading addresses.

What is the nayin of Geng Shen?

Wood of the Pomegranate (石榴木), shared with Xin You. Nayin is the poetic element nickname attached to each pair, a background texture in classical readings rather than the headline.