| Heavenly stem | 辛 Xin · Yin Metal |
|---|---|
| Earthly branch | 巳 Si · Snake (Fire) |
| Hidden stems | 丙 Bing Fire (Direct Officer), 戊 Wu Earth (Direct Resource), 庚 Geng Metal (Rob Wealth) |
| Sits on | Direct Officer |
| Na Yin | 白蜡金 White Wax Metal |
| Growth stage | 死 Death |
The image of Xin Si
Hold a jewel up to the late-morning sun in early summer and it seems to catch fire. Xin (辛) is Yin Metal, the gem and the fine blade; Si (巳) is the Snake, the season when the sun climbs toward its height. Fire controls Metal, so the jewel is being tested by heat, and polished by it too.
The Snake's main hidden stem, Bing (丙) Fire, is your Direct Officer (正官, zheng guan), and it combines with your Xin Day Master (丙辛合, bing xin he). Wu (戊) Earth is your Direct Resource (正印, zheng yin), Geng (庚) Metal your Rob Wealth (劫财, jie cai). Pale White Wax Metal (白蜡金, bai la jin) is its nayin (纳音, na yin), and Xin sits in the Death stage (死, si), which marks deep stillness.
Personality
Poise is your natural setting. Direct Officer beneath you, flowing into Direct Resource (官印相生, guan yin xiang sheng), makes you disciplined, courteous and attentive to reputation. You tend to learn the rules of a room within minutes and move through them elegantly. People often find you composed, magnetic and slightly hard to read.
This stage sends your energy inward rather than outward: you think deeply, feel intensely and reveal little until you trust someone. Hidden Geng adds a competitive streak and a loyal ally's instinct. Your soft spot is sensitivity to judgment. A single critical remark can occupy you for days, even when your record is excellent.
Love and the spouse palace
Something unusual happens in your spouse palace (夫妻宫, fu qi gong): your Day Master combines with the Direct Officer inside it. Tradition reads this as strong attachment, a pull toward a partner who is dignified, capable and respected. When you commit, you tend to commit wholeheartedly and care a great deal how the relationship is seen.
Rob Wealth in the same branch suggests friends, siblings or rivals with opinions about your love life, so keep the circle of advice small. Direct Resource adds care and protectiveness. The main risk is keeping up appearances while private needs go unspoken. Your partner needs the person behind the polish.
Work and money
Status and standards matter to you, and you tend to meet both. Diplomacy, public service, luxury and design, client relations, education, compliance and roles that represent an institution suit Direct Officer's sense of form. Advancement usually comes through trustworthiness rather than self-promotion. Choose employers whose values you can wear with pride.
Strengths and blind spots
Poise under scrutiny is your great strength, along with discipline, discretion and loyalty. The blind spot is how much weight you give other people's verdicts. A jewel does not lose value because someone looked at it the wrong way. Keep your own measure of worth, and consult it first.
Xin Si in 2027
Heat is the headline of 2027. The Ding Wei (丁未) stem turns up as your Seven Killings (七杀, qi sha), and your Snake joins the Goat in the southern Fire season (三会, san hui), so pressure tends to intensify. With Direct Officer already in your branch, demands may compete (官杀混杂, guan sha hun za). Choose one priority at a time, and pace yourself.
Every Xin day pillar shares the same Day Master. Read the full Xin Metal Day Master profile.
Xin Si day pillar: common questions
What is a Xin Si day pillar?
Xin Si joins Xin Yin Metal with the Si Snake. Born on a Xin Si day, you have a Xin Metal Day Master whose stem combines with the Bing Fire hidden in your spouse palace, alongside Wu Earth and Geng Metal. Traditionally it describes poise, discipline, depth and a strong pull toward commitment.
Who is compatible with Xin Si?
Traditionally, Bing Shen (丙申) is the double combination: Bing combines with Xin, and the Monkey combines with the Snake, though Snake and Monkey also share a punishment, adding some friction. Rooster and Ox branches complete the Snake's Metal trine. A Pig branch clashes with the Snake. Compare complete charts before drawing conclusions.
Why does the Xin stem combine with the Snake's hidden Bing?
Bing and Xin are one of the five classical stem pairs that combine, drawn together like opposite poles. When a Day Master combines with the main hidden stem of its own branch, readers see a close bond between the self and the spouse palace. For Xin Si, that usually reads as loyalty, attachment and a partner held in high regard.
BaZi is a traditional Chinese system offered here for self-reflection and entertainment. Readings describe tendencies, not certainties, and are not medical, legal or financial advice.