Birthday signs · Leo season
What zodiac sign is August 21?
August 21 falls in Leo according to the tropical zodiac. Over the 101 years from 1930 through 2030, the Sun stood in Leo at noon UTC on August 21, at 27.46° to 28.96° Leo. Day 29 to 31 of Leo season is August 21, located in its late part and linked to the element fire.
Calculated across 1930–2030 · checked .
August 21 is Leo
| Leo at noon UTC | 101 of 101 years, 1930–2030 |
|---|---|
| Nearest change of sign | at least 1 day away |
| Birth time needed for the sign | no |
August 21 at a glance
| Sign | ♌︎ Leo, the Lion |
|---|---|
| Element and mode | fire, fixed |
| Polarity | positive (masculine) |
| Ruler | the Sun (traditional) |
| Sun on this date | 27.5° to 29° Leo at noon UTC, 1930–2030 |
| Day of the season | day 29 to 31 of Leo season |
| Decan | third (20°–30°), face of Mars |
| Sidereal sign (Lahiri) | Leo |
| Day number | 3 (modern numerology) |
Rulers: Ptolemy; modern list.
The decan: late Leo
| Noon Sun | 27.46° to 28.96° Leo |
|---|---|
| Decan | third (20°–30°) |
| Face ruler, Chaldean order | Mars |
Faces after Lilly, in Chaldean order.3
August 21 by the numbers
| Day number | 3 (2 + 1 = 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 | 29 to 31 |
|---|---|
| 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 21, near the end of Leo's season, this person carries a warm, proud streak that wants its effort noticed. A big project gets finished at midnight, and the silence afterward feels heavier than expected. By late August the summer heat has been building for weeks, so the wish to shine can slide into checking who is watching. Things settle when they say plainly to a friend that they did the work, and let the praise come or not.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Leo, all 101 years |
|---|---|
| Noon Sun, sidereal Leo | 4°–5.3° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on August 21
- Philip II of France (1165–1223), King of France, and the first to be called by that title
- William IV (1765–1837), King of the United Kingdom and Hanover from 1830 to 1837
- Augustin-Louis Cauchy (1789–1857), French mathematician
- Stephen Hillenburg (1961–2018), American marine science educator and artist
- Mohammed VI of Morocco (1963), king of Morocco since 1999
- Sergey Brin (1973), American billionaire businessman
- Usain Bolt (1986), Jamaican sprinter
- Robert Lewandowski (1988), Polish association football player
Birth dates checked on Wikidata.6
August 21 in history
Observed on this date:
Events on August 21:
- 959: Eraclus becomes the 25th bishop of Liège.
- 1852: Tlingit Indians destroy Fort Selkirk, Yukon Territory.
- 1888: The first successful adding machine in the United States is patented by William Seward Burroughs.
- 1959: United States President Dwight D. Eisenhower signs an executive order proclaiming Hawaii the 50th state of the union. Hawaii's admission is currently commemorated by Hawaii Admission Day.
- 2017: A solar eclipse traverses the continental United States.
How the answer was worked out
Each year's sign was read from the Sun's tropical longitude on August 21, calculated at noon UTC for each year from 1930 through 2030 by Astronomy Engine.1 How the Machine works
Questions people also ask
What zodiac sign is August 21?
Counting the Sun at noon UTC over the 101 sampled years from 1930 to 2030, August 21 is Leo every time.
Is August 21 on a zodiac cusp?
No. Every August 21 from 1930 to 2030 found the noon Sun in Leo, and August 21 is situated at least 1 day from the nearest change of sign.
What decan is August 21?
August 21 remains in the third decan of Leo (20°–30°) throughout every sampled year, so the face ruler under the Chaldean order is Mars.
What is the birthday number for August 21?
In modern numerology, the figures for August 21 are a day number of 3 and a month-day number of 11, 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 21 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .