If you were born on August 12, your zodiac sign is Leo. The Sun occupies approximately 21° Leo on this date, placing you in the 3rd decan ruled by Mars.
Best Compatibility for August 12
♌ & ♈
Leo & Aries
View compatibility →
♌ & ♐
Leo & Sagittarius
View compatibility →
♌ & ♎
Leo & Libra
View compatibility →
Aries matches Leo's fire and passion without competing for the spotlight in the same way. Sagittarius brings adventure and laughter that keeps Leo's heart alive. Libra's natural charm and romantic nature makes Leo feel cherished and adored.
Your Decan: 3rd Decan of Leo
Each zodiac sign spans 30° of the ecliptic, divided into three decans of 10° each. Born on August 12 at approximately 21° Leo, you fall in the 3rd decan (20°–30° Leo).
While Leo is ruled by Sun, your 3rd decan is sub-ruled by Mars. This adds a distinctive layer: Mars's influence blends with Sun's core energy, giving you qualities that set you apart from other Leo natives in different decans.
Lucky Numbers, Colors & Symbols
Lucky Numbers
3, 12, 21, 30
Lucky Color
Gold
Lucky Day
Sunday
Birthstone
Peridot
Birth Flower
Gladiolus
Healing Crystal
Garnet
Sabian Symbol
"Intoxicated chickens dizzily flap their wings trying to fly"
Numerology
3
Season
Summer
Element
Fire
Modality
Fixed
Historical Events on August 12
- • 30 BC: Cleopatra commits suicide in Alexandria
- • 1851: Isaac Singer is granted a patent for his sewing machine
- • 1877: Thomas Edison invents the phonograph
- • 1981: IBM introduces its first personal computer, the IBM PC
Frequently Asked Questions
What zodiac sign is August 12?
If you were born on August 12, your zodiac sign is Leo. The Sun occupies approximately 21° Leo on this date, placing you in the 3rd decan ruled by Mars. Swiss Ephemeris calculations confirm this position based on the Sun's annual path through the ecliptic.
What are the personality traits of someone born on August 12?
People born on August 12 are Leo natives with Fire element energy and Fixed modality. The 3rd decan sub-ruled by Mars adds a distinctive layer to the core Leo personality, making these individuals unique among their sign.
Who is August 12 most compatible with?
August 12 Leo natives are most compatible with signs that share the Fire element (trine aspect) or complementary elements. Check the compatibility section above for specific sign matches and the best romantic dates.
What is the birthstone for August 12?
The traditional birthstone for people born on August 12 is Peridot. The decan-specific healing crystal is Garnet, which resonates with the Mars-influenced energy of the 3rd decan of Leo.
What decan is August 12?
August 12 falls in the 3rd decan of Leo (approximately 21° Leo). This decan is sub-ruled by Mars, which adds complementary energy to the core Leo traits.
What famous people were born on August 12?
While our celebrity database is still growing, all people born on August 12 share the Leo Sun sign at approximately 21° with Mars decan influence.
What is the lucky number for someone born on August 12?
The numerology root for August 12 is 3. Lucky numbers include 3, 12, 21, 30. The lucky day is Sunday (ruled by Sun), and the lucky color is Gold.
What element is August 12?
August 12 belongs to the Fire element through Leo. Fire signs are known for intuition, emotional depth, and empathy.
More 3rd Decan Leo Birthdays
Explore
Discover your complete birth chart
Your Sun sign is just the beginning. Get your full natal chart with Moon, Rising, and all planetary placements.
Get Your Free Chart– it's free