Decoding the Five Elements in Bazi: Nayin vs. Day Master Approaches

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In Bazi, also known as the Four Pillars of Destiny, figuring out a person's Five Elements makeup is the crucial first step in any reading. This time-honored Chinese system provides deep insights into your personality, career choices, relationships, and life's overall direction.
The Bazi tradition boasts a long history and has developed over many centuries. In modern practice, two primary methods help determine an individual's Five Elements in a Bazi chart:
- Nayin Five Elements;
- Day Master Five Elements.
The Nayin Five Elements approach traces its roots to the early days of Bazi, especially during the Tang Dynasty. A prominent figure from that era was Master Li Zhongxu, who wrote the influential "Li Zhongxu's Book of Destiny." Back then, practitioners usually assessed a person's Five Elements based on their birth year, zeroing in on the year pillar and relying on mnemonic verses for guidance. Let's examine a sample Bazi chart to illustrate:
| Birth Date | Year 2000 | September | 11th | 12 PM | Bazi | Geng Chen | Yi You | Ren Shen | Bing Wu |
For someone born on September 11, 2000, at noon, the Bazi chart (or a traditional almanac) lists the year pillar as Geng Chen. Checking the Nayin Five Elements table below, the verse for Geng Chen is "Geng Chen, Xin Si: White Wax Gold," which points to a Metal element—more precisely, the refined "White Wax Gold" variety.
| Jia Zi, Yi Chou: Gold in the Sea | Bing Yin, Ding Mao: Fire in the Furnace | Wu Chen, Ji Si: Big Forest Wood | Geng Wu, Xin Wei: Roadside Soil | Ren Shen, Gui You: Sword Edge Metal | Jia Xu, Yi Hai: Mountain Top Fire | Bing Zi, Ding Chou: Stream Water | Wu Yin, Ji Mao: City Wall Soil | Geng Chen, Xin Si: White Wax Gold | Ren Wu, Gui Wei: Willow Wood | Jia Shen, Yi You: Spring Water | Bing Xu, Ding Hai: Roof Soil | Wu Zi, Ji Chou: Thunderbolt Fire | Geng Yin, Xin Mao: Pine and Cypress Wood | Ren Chen, Gui Si: Long Flowing Water | Jia Wu, Yi Wei: Sand Middle Metal | Bing Shen, Ding You: Fire Under the Mountain | Wu Xu, Ji Hai: Flat Ground Wood | Geng Zi, Xin Chou: Wall Soil | Ren Yin, Gui Mao: Gold Foil Metal | Jia Chen, Yi Si: Buddha Lamp Fire | Bing Wu, Ding Wei: Heavenly River Water | Wu Shen, Ji You: Big Station Soil | Geng Xu, Xin Hai: Wooden Rail Metal | Ren Zi, Gui Chou: Mulberry Tree Wood | Jia Yin, Yi Mao: Big Stream Water | Bing Chen, Ding Si: Sand Middle Soil | Wu Wu, Ji Wei: Fire in the Sky | Geng Shen, Xin You: Pomegranate Wood | Ren Xu, Gui Hai: Big Sea Water |
Nayin Five Elements for the Sixty Jiazi
The second method focuses on the Day Master—the Heavenly Stem of the birth day—to identify the Five Elements. This technique gained widespread use after the famous Song Dynasty scholar Xu Ziping refined and standardized Bazi (that's why it's often called the Ziping method). From that point on, the Day Master has been the foundation of Bazi analysis, marking a key advancement that established the standard for evaluating Five Elements in today's readings.
In our example, the Day Master is "Ren," which aligns with the Water element (as shown in the table below). So, this person's core Five Elements trait is Water.
| Jia, Yi | Wood | Bing, Ding | Fire | Wu, Ji | Earth | Geng, Xin | Metal | Ren, Gui | Water |
Ultimately, both approaches to evaluating the Five Elements offer similar revelations in Bazi destiny readings, even though they stem from different historical paths. That said, in contemporary Bazi practice, most experts prefer the Day Master method over Nayin for forecasts, appreciating its precision and real-world applicability.