What Are the Twelve Life Stages?
Learn what the Twelve Life Stages mean in Bazi, how a Heavenly Stem is mapped across twelve branches, and why stage names are not literal life events.
Overview
The Twelve Life Stages are a twelve-position lookup that describes how the qi of a selected Heavenly Stem is situated relative to each Earthly Branch. The sequence runs from Changsheng through Yang and is also called the Twelve Growth Phases. It is an auxiliary relational model, not a biography, medical scale, or standalone measure of chart strength.
At a glance
- Reference
- One Heavenly Stem
- Targets
- Twelve Earthly Branches
- Positions
- Twelve qi-stage labels
- First label
- Changsheng 長生
- Last label
- Yang 養
- Boundary
- Not literal age or health
Each result relates one stem to one branch
A stage is not attached to a branch by itself. It is produced by selecting a Heavenly Stem and locating the target Earthly Branch in that stem’s twelve-position sequence.
The same branch can therefore receive different stage labels for different stems. A page or chart must name the reference stem before showing the result.
- Store the reference stem with every stage.
- Do not publish a branch-only stage label.
The twelve names form a technical cycle
The received sequence is Changsheng, Muyu, Guandai, Linguan, Diwang, Shuai, Bing, Si, Mu, Jue, Tai, and Yang.
These names model emergence, development, culmination, decline, storage, interruption, conception, and support as qi imagery; they are not a timetable for a person’s lifespan.
- Preserve the canonical order.
- Translate labels without erasing the Chinese terms.
Use the stages as one contextual layer
A stage can describe how a chosen stem meets a branch in the natal chart or a later timing layer. Pillar position and the selected school determine how much interpretive weight it receives.
Month Command, roots, exposure, direct stem-branch relations, Ten Gods, and structure remain separate evidence and may outweigh a stage label.
- Read direct chart structure first.
- State the school and pillar context.
The labels are not literal diagnoses
Names such as Sickness, Death, Tomb, Embryo, and Extinction are inherited technical metaphors. They do not diagnose illness, predict death, identify burial, establish pregnancy, or prove infertility.
Responsible copy explains the lookup and uncertainty without turning a stage into a sensitive trait or promised event.
- Never medicalize a stage name.
- Do not infer mortality or fertility.
Sources and editorial basis
- 《御定星曆考原》卷一《御定星曆考原》卷五十七「十二宮」：按十干陰陽與地支位置列長生、沐浴、冠帶、臨官、帝旺至養的次序A historical source for stem and branch Yin-Yang, Five Phase, direction, seasonal, and calendrical correspondences.
- 《三命通會》 (Sanming Tonghui)《三命通會》卷二論五行寄生十二宮：十二名稱描述干氣在支位的傳統次序，須先辨所論天干A historical compilation covering stems and branches, Ten Gods, Nayin, Shen Sha, and multiple classical pattern systems.
- OpenFate Editorial Methodology十二長生定義頁保存基準天干、目標地支與表格版本，並禁止把病、死、墓、胎當成醫療、死亡或生育事件OpenFate separates deterministic chart calculation, traditional interpretation, and modern editorial explanation.