Leo Third Decan
Approximate dates: August 13 – August 22 · 20° – 29°59′ · Fire Sign
Sub-ruler: Mars · Aries sub-influence
How to Identify Your Decan
This decan covers 20° up to but not including 30° of Leo.
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 intensifies Leo's fire with Arian drive and competitive edge. Third decan Leo natives are the warriors of the sign — they do not just want the crown, they will fight for it. Combining solar charisma with martial courage, they are fearless performers, athletes, and entrepreneurs who turn every challenge into a stage for their prowess.
How This Decan Differs
Mars adds an aggressive edge and physical vitality that other Leo decans lack. Third decan Leo is the most competitive, action-oriented, and physically dynamic of the three — they lead by doing, not just being.
Strengths
Challenges
Notable Examples
- Madonna (August 16)
- Ben Affleck (August 15)
- Steve Martin (August 14)
- Halle Berry (August 14)
Other Leo Decans
Frequently Asked Questions
What makes third decan Leo different?
Mars co-rulership gives third decan Leo (August 13–22) Aries-like competitive fire and physical courage. They are the most action-oriented and dynamic of all Leo placements.
Are third decan Leos aggressive?
Assertive rather than aggressive. Mars gives them drive and competitive spirit, but Leo's warmth prevents it from becoming purely combative. They fight with flair.
What sports or physical activities suit them?
Competitive sports, martial arts, dance, and performance arts. Anything combining physical prowess with dramatic expression speaks to their Mars-Sun combination.