Sagittarius Second Decan
Approximate dates: December 2 – December 11 · 10° – 19°59′ · Fire Sign
Sub-ruler: Mars · Aries sub-influence
How to Identify Your Decan
This decan covers 10° up to but not including 20° of Sagittarius.
Use your Sun's tropical sign and degree to identify its decan. Calendar dates are approximate; your birthday alone may not settle a boundary placement. If your birth time is unknown, a representative position near a boundary may leave your decan uncertain.
This collection uses modern triplicity: sub-rulers follow the signs of the same element. Other systems, including Chaldean decans, assign different rulers. The descriptions below are interpretive traditions, not measured personality traits. Compare the decan methods at Astrodienst.
Mars adds Arian fire and competitive drive to Jupiter's expansive vision. Second decan Sagittarius natives are the warriors of truth — they do not just seek wisdom, they fight for it. Their energy is explosive, their honesty is brutal, and their courage to challenge injustice is unmatched. They combine Jupiter's philosophical breadth with Mars's fearless action.
How This Decan Differs
Mars adds combative energy and physical vitality that pure Jupiter lacks. Second decan Sagittarius is the most assertive, competitive, and physically dynamic of the three decans.
Strengths
Challenges
Notable Examples
- Jay-Z (December 4)
- Walt Disney (December 5)
- Jim Morrison (December 8)
- Emily Dickinson (December 10)
Other Sagittarius Decans
Frequently Asked Questions
How does Mars change Sagittarius in the second decan?
Mars adds Aries-like warrior energy and competitive fire. Second decan Sagittarius (December 2–11) are the most assertive and physically dynamic of all Sagittarius.
Are they aggressive?
Their aggression is idealistic — they fight for causes, truth, and justice rather than personal gain. But their bluntness can feel combative to more sensitive signs.
What sports suit second decan Sagittarius?
Extreme sports, martial arts, long-distance running, and competitive team sports. They need physical outlets for their Mars-Jupiter energy.