BAZI KNOWLEDGE BASE
What Is Hairpin Gold (釵釧金) in BaZi?
Hairpin Gold is the metal-class Nayin (a separate named element classification for a complete pair of chart symbols) assigned to 庚戌 and 辛亥. San Ming Tong Hui uses finished jewelry kept in a private chamber and favors exact still-water and light conditions, but the image does not measure appearance, gender, refinement, wealth, or relationship value.
What does Hairpin Gold establish first?
Hairpin Gold is the Nayin name for a complete 庚戌 or 辛亥 pillar, and its Nayin phase is Metal. It may occur in the Year, Month, Day or Hour Pillar (the two-symbol column for the birth hour). The lookup unit is always one stem–branch pair in the same pillar, never a single character or a cross-pillar combination.
This lookup establishes one historical classification. 庚 remains a Metal stem and 戌 a Earth branch; 辛 remains a Metal stem and 亥 a Water branch. Nayin Metal does not overwrite those ordinary Five-Phase facts.
How can you check for Hairpin Gold?
Read each complete pillar in an already calculated chart. A pillar that is exactly 庚戌 or 辛亥 has the Hairpin Gold Nayin. One matching character, a zodiac animal or a real-world object is insufficient.
| Complete Jiazi | Stem phase | Branch phase | Nayin name | Nayin phase |
|---|---|---|---|---|
| 庚戌 | Metal | Earth | Hairpin Gold | Metal |
| 辛亥 | Metal | Water | Hairpin Gold | Metal |
Worked example: how should a 庚戌 Year Pillar be recorded?
Suppose the Year Pillar (the two-symbol column for the birth year) is 庚戌. The table returns Hairpin Gold. A clear record says: Year 庚戌; stem 庚 is Metal, branch 戌 is Earth; Nayin is Hairpin Gold, classed as Metal. This keeps the Nayin field separate from ordinary elemental data.
If 辛 appears only in the Month Pillar (the two-symbol column for the birth month) and 亥 only in the Day Pillar (the two-symbol column for the birth day), they do not form the same-pillar 辛亥 combination and do not create Hairpin Gold. Complete pairing comes before image interpretation.
Why does the source use the name Hairpin Gold?
San Ming Tong Hui presents this Nayin as finished adornment kept in an inner chamber. It favors certain quiet waters, distinguishes day and night illumination, and treats 庚戌 and 辛亥 differently when they meet named fires and other exact pairs. The source also contains courtly beauty and gendered language from its historical setting. Modern editorial treatment can explain the object and its conditional correspondences without repeating those descriptions as facts about a reader’s body, gender, sexuality, or social worth. Use named water and fire pairs rather than broad phase claims. Label historical gendered imagery instead of applying it to a person.
What value does Hairpin Gold offer a modern reader?
Its practical value is precise lookup: 庚戌 and 辛亥 share this Nayin name, which lets you locate the pair’s distinctive source image and conditions. If another pillar enters an older rule, record that full Jiazi, its location and the source before drawing a comparison.
Keep the reading order explicit: verify calendar inputs and the Four Pillars; retain stems, branches and hidden stems; evaluate Month Command and Day-Master structure; only then add Hairpin Gold as a Nayin layer. One Nayin name does not determine strength, Useful God, personality, work, relationships, wealth, health or event timing.
Continue reading
- Complete table of the thirty Nayin
Return to the sixty-Jiazi sequence and verify neighboring pairs.
- Compare another Metal Nayin: Gold in the Sea
A shared phase does not make two images or conditions interchangeable.
- Metal in ordinary Five-Phase analysis
Separate Nayin classification from actual chart relations.