What Is Na Yin?
Na Yin, or "Absorbed Tones," is a traditional system that combines classical Chinese destiny analysis with musical pitch theory. The ancients took the Sixty Jiazi (the sixty Stem-Branch combinations) and grouped them into thirty pairs, assigning each pair a Five Element designation together with a concrete natural image (such as "Metal of the Ocean Depths" / Hai Zhong Jin; "Timber of the Great Forest" / Da Lin Mu; "Earth at the Roadside" / Lu Pang Tu, etc.), collectively termed the Na Yin Five Elements.
The theoretical foundation of Na Yin derives from ancient Chinese pitch theory — the five notes of the pentatonic scale (Gong, Shang, Jue, Zhi, Yu) correspond to the Five Elements, and the numerical relationships between the Heavenly Stems (Tiangan) and Earthly Branches (Dizhi) determine the Na Yin Five Element assignment.
The Sixty Jiazi Na Yin Five Elements — Complete Table
| No. | Stem-Branch Pair | Na Yin Name | Element |
|---|---|---|---|
| 1 | Jia Zi, Yi Chou | Metal of the Ocean Depths (Hai Zhong Jin) | Metal |
| 2 | Bing Yin, Ding Mao | Fire in the Furnace (Lu Zhong Huo) | Fire |
| 3 | Wu Chen, Ji Si | Timber of the Great Forest (Da Lin Mu) | Wood |
| 4 | Geng Wu, Xin Wei | Earth at the Roadside (Lu Pang Tu) | Earth |
| 5 | Ren Shen, Gui You | Metal of the Sword's Edge (Jian Feng Jin) | Metal |
| 6 | Jia Xu, Yi Hai | Fire on the Mountain Top (Shan Tou Huo) | Fire |
| 7 | Bing Zi, Ding Chou | Water in the Ravine (Jian Xia Shui) | Water |
| 8 | Wu Yin, Ji Mao | Earth on the City Wall (Cheng Tou Tu) | Earth |
| 9 | Geng Chen, Xin Si | White Wax Metal (Bai La Jin) | Metal |
| 10 | Ren Wu, Gui Wei | Willow Wood (Yang Liu Mu) | Wood |
| 11 | Jia Shen, Yi You | Water from the Spring (Quan Zhong Shui) | Water |
| 12 | Bing Xu, Ding Hai | Earth on the Rooftop (Wu Shang Tu) | Earth |
| 13 | Wu Zi, Ji Chou | Fire of the Thunderbolt (Pi Li Huo) | Fire |
| 14 | Geng Yin, Xin Mao | Wood of Pine and Cypress (Song Bai Mu) | Wood |
| 15 | Ren Chen, Gui Si | Water of the Long River (Chang Liu Shui) | Water |
| 16 | Jia Wu, Yi Wei | Metal in the Sand (Sha Zhong Jin) | Metal |
| 17 | Bing Shen, Ding You | Fire beneath the Mountain (Shan Xia Huo) | Fire |
| 18 | Wu Xu, Ji Hai | Wood of the Level Plain (Ping Di Mu) | Wood |
| 19 | Geng Zi, Xin Chou | Earth on the Wall (Bi Shang Tu) | Earth |
| 20 | Ren Yin, Gui Mao | Metal of Gold Foil (Jin Bo Jin) | Metal |
| 21 | Jia Chen, Yi Si | Fire of the Covered Lamp (Fu Deng Huo) | Fire |
| 22 | Bing Wu, Ding Wei | Water of the Heavenly River (Tian He Shui) | Water |
| 23 | Wu Shen, Ji You | Earth of the Great Post Road (Da Yi Tu) | Earth |
| 24 | Geng Xu, Xin Hai | Metal of the Hairpin (Chai Chuan Jin) | Metal |
| 25 | Ren Zi, Gui Chou | Wood of the Mulberry (Sang Zhe Mu) | Wood |
| 26 | Jia Yin, Yi Mao | Water of the Great Stream (Da Xi Shui) | Water |
| 27 | Bing Chen, Ding Si | Earth in the Sand (Sha Zhong Tu) | Earth |
| 28 | Wu Wu, Ji Wei | Fire above the Heavens (Tian Shang Huo) | Fire |
| 29 | Geng Shen, Xin You | Wood of the Pomegranate (Shi Liu Mu) | Wood |
| 30 | Ren Xu, Gui Hai | Water of the Great Sea (Da Hai Shui) | Water |
How Na Yin Is Used
Na Yin is primarily used in the following contexts:
- Classical Destiny Analysis: In traditional texts such as the San Ming Tong Hui and Yuan Hai Zi Ping, the Na Yin Five Elements serve as a supplementary tool for chart assessment.
- Name Selection: The Na Yin Five Elements may supplement deficiencies in the Day Master's Five Element composition.
- Annual Luck Verification: Na Yin mutual control or generation can assist in assessing events during Annual Luck (Liu Nian).
Na Yin's Relationship with Modern Destiny Analysis
Modern Zi Ping BaZi analysis (the system centered on the Day Master) makes relatively little direct use of Na Yin; mainstream analysis relies on the Five Elements of the Stems and Branches themselves. Na Yin serves more as supplementary knowledge on the traditional cultural level, or continues to be used within specific traditional schools.
The Cultural Significance of Na Yin
Na Yin embodies the ancients' classificatory wisdom regarding the myriad phenomena of the universe — integrating the Heavenly Stems, Earthly Branches, Five Elements, musical pitches, and natural imagery into a unified whole. It is a concrete manifestation of the Chinese cultural ideal of the unity of Heaven and humanity (Tian Ren He Yi).