What is Cung Thân?
Cung Thân (Body Palace) is a special palace in Vietnamese Tử Vi astrology, not fixed but placed according to birth month and hour, reflecting inner tendencies, later life, and the practical 'body' aspect of the native.

How is the Thân Palace understood in Tử Vi?
The Thân Palace is a special palace in a Tử Vi (Vietnamese astrology) chart. It is not one of the twelve fixed palaces ordered by earthly branches, but is placed separately based on the lunar birth month and the birth hour. Unlike the Mệnh Palace, which represents the native's essence, character and general tendencies, the Thân Palace is usually seen as the "later fortune", the domain of action, and what unfolds after a person has grown up. In many traditional documents, the Thân Palace is also called "thân cung" and serves as a layer of information supplementary to the Mệnh Palace.
Why is the Thân Palace not fixed?
The Thân Palace is determined by combining the birth month and the birth hour. Depending on the lunar birth month and the birth hour, the Thân Palace will fall into one of the palaces of the chart. Therefore, with the same birth date but a different birth hour, the Thân Palace can sit in a different position. This makes the Thân Palace highly individualized, and it cannot be guessed at roughly without knowing the exact birth hour.
What does it mean when the Thân Palace shares a palace with Mệnh?
When the Thân Palace coincides with the Mệnh Palace, tradition holds that the native has a unity between essence and action, between will and deed. This is usually regarded as a favourable placement, because there is no split between the person within and the person shown to the outside. However, this reading is only for reference and should not be treated as an absolute rule.
What about when the Thân Palace enters other palaces?
When the Thân Palace does not share a palace with Mệnh, it will enter one of the remaining palaces such as Phụ Mẫu, Phúc Đức, Điền Trạch, Quan Lộc, Nô Bộc, Thiên Di, Tật Ách, Tài Bạch, Tử Tức, Phu Thê, or Huynh Đệ. Each of these positions suggests that the "thân" part of the native is tied more closely to the corresponding domain. For example, a Thân Palace entering Quan Lộc is often interpreted as a person bound to career and official standing; entering Phu Thê means married life and one's partner have a great influence. These interpretations are only directional and need to be placed within the whole chart.
How is the Thân Palace different from the Mệnh Palace?
The Mệnh Palace is usually seen as the "root" of a person: temperament, innate abilities, ways of reacting to circumstances. The Thân Palace leans toward the "tip": action, transformation over time, and what belongs to the later fortune. Many old books stress that Mệnh is prenatal and Thân is postnatal. However, both palaces need to be read together, and should not be separated or concluded from a single palace alone.
Notes when interpreting the Thân Palace
The Thân Palace does not exist independently but is affected by the main stars, auxiliary stars, the four transformations and the related palaces. Interpretation needs to be set in the context of the whole chart, avoiding exaggeration of any one palace. This is traditional knowledge of a referential nature, not yet verified by science; readers should approach it with an open mind and not treat it as a destined conclusion.
How do different schools understand it?
- Understanding Thân as later fortune: Many traditional documents see the Thân Palace as speaking mainly about the later stage of life, when a person has been through many events and clearly reveals their tendencies to act. In this reading, the Thân Palace is more or less separate from the Mệnh Palace and needs to be read on its own to see the later fortune.
- Understanding Thân as the part of action: Some other readings stress that the Thân Palace is the "thân" part in the sense of the body, action and outward expression, not necessarily belonging only to the later fortune. From this viewpoint, the Thân Palace can have an influence from adulthood onward, depending on its position and the stars that converge on it.
- Understanding Thân as supplementary to Mệnh: Another direction sees the Thân Palace as a layer of information supplementary to the Mệnh Palace, helping clarify points that Mệnh cannot fully express. When Thân shares a palace with Mệnh, these two layers merge; when they separate, they complement each other rather than conflict.
A comparison of the Mệnh Palace and the Thân Palace in Tử Vi according to the features set out in the article.
| Criterion | Mệnh Palace | Thân Palace |
|---|---|---|
| Placement | Fixed by the order of earthly branches | Placed separately based on the lunar birth month and birth hour |
| Main meaning | Essence, character, general tendencies | Action, transformation over time, later fortune |
| Traditional role | Prenatal, the root of a person | Postnatal, the tip |
| When they coincide | Unity between essence and action | Merges into the Mệnh Palace |
| When they separate | Need to be read together, not separated | Complements the Mệnh Palace |
| Degree of individualization | Not stated | High, depends on the exact birth hour |
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