SignGeminiAir · Mutable
Sub-rulerMarsTraditional Chaldean decan rulership
Degrees10°–19°
Dates05-21 – 06-20
RulerMars
01
The signature
What this decan emphasizes
The challenger: ideas sharpen through friction, wit, and movement.
- The shared sign ruler is Mercury.
- The sub-ruler Mars changes the emphasis without replacing the sign itself.
- Use the decan as a refinement, not a reason to ignore the whole chart.
02
In practice
A more useful question
Where does Gemini's air nature become more mars in your ordinary choices? Look for patterns in how you begin, respond, and recover.