Birthday signs · Leo season
What zodiac sign is August 12?
The tropical zodiac places August 12 in Leo. Across the 101 years from 1930 through 2030, the Sun was in Leo at noon UTC on August 12, at 18.81° to 20.3° Leo. Day 20 to 22 of Leo season, in its middle part, is August 12, and its element is fire.
Calculated across 1930–2030 · checked .
August 12 is Leo
| Leo at noon UTC | 101 of 101 years, 1930–2030 |
|---|---|
| Nearest change of sign | at least 10 days away |
| Birth time needed for the sign | no |
August 12 at a glance
| Sign | ♌︎ Leo, the Lion |
|---|---|
| Element and mode | fire, fixed |
| Polarity | positive (masculine) |
| Ruler | the Sun (traditional) |
| Sun on this date | 18.8° to 20.3° Leo at noon UTC, 1930–2030 |
| Day of the season | day 20 to 22 of Leo season |
| Decan | second (88 years) and third (13); faces: Jupiter, Mars |
| Sidereal sign (Lahiri) | Cancer |
| Day number | 3 (modern numerology) |
Rulers: Ptolemy; modern list.
The decan: middle Leo
| Noon Sun | 18.81° to 20.3° Leo |
|---|---|
| Decans | second in 88 years, third in 13 |
| Decan line crossed | 20° |
| Face rulers, Chaldean order | Jupiter, Mars |
Faces after Lilly, in Chaldean order.3
August 12 by the numbers
| Day number | 3 (1 + 2 = 3) |
|---|---|
| Month-day number | 11 (8 + 3 = 11, kept as a master number) |
| System | modern numerology, digit sums |
Digit sums as numerology guides give them.4
Where the date falls in the season
| Day of Leo season | 20 to 22 |
|---|---|
| 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
Someone born on August 12 arrives near the edge of Leo, where the warm confidence of the season starts to meet the more careful habits of Virgo. A person with this birthday knows the moment of wanting to be seen fully, then pausing to check whether the room still feels safe to stand in. They can lead a team, speak first, and still go back over the details at night. The late-Leo position points to someone who is learning that generosity and self-protection can share the same afternoon.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Cancer, all 101 years |
|---|---|
| Noon Sun, sidereal Cancer | 25.3°–26.6° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on August 12
- George IV (1762–1830), King of the United Kingdom and Hanover from 1820 to 1830
- Helena Blavatsky (1831–1891), Russian occult writer
- Jacinto Benavente (1866–1954), Spanish writer
- Erwin Schrödinger (1887–1961), Austrian physicist
- Zia-ul-Haq (1924–1988), President of Pakistan from 1978 to 1988, of Saudi origin
- François Hollande (1954), President of France from 2012 to 2017
- Pete Sampras (1971), American tennis player
- Mario Balotelli (1990), Italian association football player
Birth dates checked on Wikidata.6
August 12 in history
Observed on this date:
- Glorious Twelfth (United Kingdom)
- HM the Queen Mother's Birthday and National Mother's Day (Thailand)
- International Youth Day (United Nations)
- Russian Air Force Day (Russia)
- Sea Org Day (Scientology)
- World Elephant Day (International)
Events on August 12:
- 1204: The Republic of Venice acquires the right to Crete from Boniface I of Montferrat.
- 1793: The Rhône and Loire départments are created when the former département of Rhône-et-Loire is split into two.
- 1898: The Hawaiian flag is lowered from ʻIolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawaii to the United States where it is formally recognized as Hawaii.
- 1981: The IBM Personal Computer is released.
- 1994: Major League Baseball players go on strike, eventually forcing the cancellation of the 1994 World Series.
How the answer was worked out
Each year from 1930 through 2030, the Sun's tropical longitude on August 12 was calculated at noon UTC with Astronomy Engine, and the sign for that year was read from it.1 How the Machine works
Questions people also ask
What zodiac sign is August 12?
In all 101 years sampled from 1930 to 2030, August 12 is Leo, with the Sun counted at noon UTC.
Is August 12 on a zodiac cusp?
No. The noon Sun occupied Leo on each August 12 from 1930 to 2030, and August 12 is situated at least 10 days from the nearest change of sign.
What decan is August 12?
Within Leo, August 12 crosses between two decans, with 88 sampled years in the second, the face of Jupiter, and 13 in the third, the face of Mars.
What is the birthday number for August 12?
Modern numerology pairs August 12 with day number 3 and month-day number 11, and digit addition yields both.
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 12 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .