Birthday signs · Leo season
What zodiac sign is August 11?
In the tropical zodiac, August 11 is Leo. Each noon UTC on August 11 in the 101 years from 1930 through 2030 finds the Sun in Leo, at 17.85° to 19.34° Leo. In the middle part of Leo season, day 19 to 21 is August 11, with the element fire.
Calculated across 1930–2030 · checked .
August 11 is Leo
| Leo at noon UTC | 101 of 101 years, 1930–2030 |
|---|---|
| Nearest change of sign | at least 11 days away |
| Birth time needed for the sign | no |
August 11 at a glance
| Sign | ♌︎ Leo, the Lion |
|---|---|
| Element and mode | fire, fixed |
| Polarity | positive (masculine) |
| Ruler | the Sun (traditional) |
| Sun on this date | 17.8° to 19.3° Leo at noon UTC, 1930–2030 |
| Day of the season | day 19 to 21 of Leo season |
| Decan | second (10°–20°), face of Jupiter |
| Sidereal sign (Lahiri) | Cancer |
| Day number | 11 (modern numerology) |
Rulers: Ptolemy; modern list.
The decan: middle Leo
| Noon Sun | 17.85° to 19.34° Leo |
|---|---|
| Decan | second (10°–20°) |
| Face ruler, Chaldean order | Jupiter |
Faces after Lilly, in Chaldean order.3
August 11 by the numbers
| Day number | 11 () |
|---|---|
| Month-day number | 1 (8 + 11 = 19, then 1 + 9 = 10, then 1 + 0 = 1) |
| System | modern numerology, digit sums |
Digit sums as numerology guides give them.4
Where the date falls in the season
| Day of Leo season | 19 to 21 |
|---|---|
| Leo season opened | July 22 (7 years) or July 23 (79) or July 24 (15) |
| Leo season closed | August 22 (65 years) or August 23 (36) |
| Element and mode | fire, fixed |
| Traditional ruler | the Sun |
Seasons by the noon-UTC rule; rulers after Ptolemy.2
Born at this point in Leo season
Born on August 11, in the middle of Leo, this person sits in the warmest stretch of a bright season. The urge to be seen runs close to the surface. On a warm August afternoon, that pull can look like a harmless wish to shine. Birthday candles, school plays, and first jobs can feel like a stage. Their steady work is letting warmth reach others without needing applause to prove it was real.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Cancer, all 101 years |
|---|---|
| Noon Sun, sidereal Cancer | 24.4°–25.7° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on August 11
- Sadi Carnot (statesman) (1837–1894), 5th president of France
- Christiaan Eijkman (1858–1930), Dutch physician
- Enid Blyton (1897–1968), English author
- Aaron Klug (1926–2018), British chemist and biophysicist
- Steve Wozniak (1950), American computer pioneer, inventor, computer engineer and programmer; co-founder of Apple Inc.
- Hulk Hogan (1953–2025), American professional wrestler, actor and television personality
- Viola Davis (1965), American actress and producer
- Chris Hemsworth (1983), Australian actor
Birth dates checked on Wikidata.6
August 11 in history
Observed on this date:
- Flag Day (Pakistan)
- Independence Day, celebrates the independence of Chad from France in 1960.
- Mountain Day (Japan)
Events on August 11:
- 3114 BCE: The Mesoamerican Long Count calendar, used by several pre-Columbian Mesoamerican civilizations, notably the Maya, begins.
- 1786: Captain Francis Light establishes the British colony of Penang in Malaysia.
- 1934: The first civilian prisoners arrive at the Federal prison on Alcatraz Island.
- 1969: The Apollo 11 astronauts are released from a three-week quarantine following their liftoff from the Moon.
- 2023: Luna 25 launches from the Vostochny Cosmodrome.
How the answer was worked out
The Sun's tropical longitude on August 11 at noon UTC was calculated with Astronomy Engine for each year from 1930 through 2030, and the sign of each year was read from it.1 How the Machine works
Questions people also ask
What zodiac sign is August 11?
Among 101 sampled years from 1930 to 2030, August 11 is Leo in every case, counting the Sun at noon UTC.
Is August 11 on a zodiac cusp?
No. The noon position of the Sun was Leo on every August 11 from 1930 to 2030, with August 11 at least 11 days from the nearest change of sign.
What decan is August 11?
Its face ruler in the Chaldean order is Jupiter, because August 11 is in the second decan of Leo (10°–20°) in every sampled year.
What is the birthday number for August 11?
Both the day number 11 and the month-day number 1 assigned to August 11 in modern numerology are found by adding digits.
Sources
- Astronomy Engine JavaScript reference — Don Cross, Astronomy Engine. Verified .
- Ptolemy, Tetrabiblos, Book I, sections 11-21 — LacusCurtius, University of Chicago. Verified .
- Decan (astrology): the faces of the planets (after Lilly) — Wikipedia. Verified .
- Life Path Number — Numerology.com (practitioner site). Verified .
- Ayanamsa (Lahiri and other sidereal conventions) — Wikipedia. Verified .
- Wikipedia: August 11 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .