Birthday signs · Sagittarius season
What zodiac sign is December 9?
The tropical zodiac shows December 9 in the sign of Sagittarius. In all 101 years from 1930 through 2030, the Sun lay in Sagittarius at noon UTC on December 9, at 16.45° to 17.94° Sagittarius. With the element fire, December 9 is day 17 or 18 of Sagittarius season in its middle part.
Calculated across 1930–2030 · checked .
December 9 is Sagittarius
| Sagittarius 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 |
December 9 at a glance
| Sign | ♐︎ Sagittarius, the Archer |
|---|---|
| Element and mode | fire, mutable |
| Polarity | positive (masculine) |
| Ruler | Jupiter (traditional) |
| Sun on this date | 16.5° to 17.9° Sagittarius at noon UTC, 1930–2030 |
| Day of the season | day 17 or 18 of Sagittarius season |
| Decan | second (10°–20°), face of the Moon |
| Sidereal sign (Lahiri) | Scorpio |
| Day number | 9 (modern numerology) |
Rulers: Ptolemy; modern list.6
The decan: middle Sagittarius
| Noon Sun | 16.45° to 17.94° Sagittarius |
|---|---|
| Decan | second (10°–20°) |
| Face ruler, Chaldean order | the Moon |
Faces after Lilly, in Chaldean order.3
December 9 by the numbers
| Day number | 9 (9) |
|---|---|
| Month-day number | 3 (3 + 9 = 12, then 1 + 2 = 3) |
| System | modern numerology, digit sums |
Digit sums as numerology guides give them.4
Where the date falls in the season
| Day of Sagittarius season | 17 or 18 |
|---|---|
| Sagittarius season opened | November 22 (48 years) or November 23 (53) |
| Sagittarius season closed | December 20 (5 years) or December 21 (82) or December 22 (14) |
| Element and mode | fire, mutable |
| Traditional ruler | Jupiter |
Seasons by the noon-UTC rule; rulers after Ptolemy.2
Born at this point in Sagittarius season
Born in the middle of Sagittarius, a person arrives after the season's first excitement has faded into daily routine. December 9 falls in the stretch where big plans meet the question of how to finish them. Someone with this birthday can say yes to an ambitious idea, then spend weeks working out the small steps. The restless pull toward open roads stays, but it learns to wait for a clear path ahead.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Scorpio, all 101 years |
|---|---|
| Noon Sun, sidereal Scorpio | 22.9°–24.3° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on December 9
- John Milton (1608–1674), English poet and civil servant
- Peter Kropotkin (1842–1921), Russian revolutionary socialist and philosopher
- Fritz Haber (1868–1934), German chemist and receiver of the Nobel prize
- Grace Hopper (1906–1992), American computer scientist and United States Navy officer
- Kirk Douglas (1916–2020), American actor
- Judi Dench (1934), English actress
- Sonia Gandhi (1946), Indian politician
- Jean-Claude Juncker (1954), Prime Minister of Luxembourg (1995-2013) and President of the European Commission
Birth dates checked on Wikidata.7
December 9 in history
Observed on this date:
- Anna's Day, marks the day to start the preparation process of the lutefisk to be consumed on Christmas Eve, as well as a Swedish name day, celebrating all people named Anna. (Sweden and Finland)
- Armed Forces Day (Peru)
- Fatherland's Heroes Day (Russia)
- Independence Day, celebrates the independence of Tanganyika from Britain in 1961. (Tanzania)
- International Anti-Corruption Day (United Nations)
- National Heroes Day, formerly V.C. Bird Day. (Antigua and Barbuda)
- Navy Day (Sri Lanka)
Events on December 9:
- 1531: The Virgin of Guadalupe first appears to Juan Diego at Tepeyac, Mexico City.
- 1905: In France, a law separating church and state is passed.
- 1961: Tanganyika becomes independent from Britain.
- 2017: The Marriage Amendment Bill receives royal assent and comes into effect, making Australia the 26th country to legalize same-sex marriage.
How the answer was worked out
The sign for each year from 1930 through 2030 was read from the Sun's tropical longitude on December 9, calculated at noon UTC using Astronomy Engine.1 How the Machine works
Questions people also ask
What zodiac sign is December 9?
Each of the 101 sampled years from 1930 to 2030 places December 9 in Sagittarius, based on the Sun at noon UTC.
Is December 9 on a zodiac cusp?
No. The Sun at noon stayed in Sagittarius throughout every December 9 from 1930 to 2030, and December 9 is at least 11 days away from the nearest change of sign.
What decan is December 9?
In every sampled year, December 9 is in the second decan of Sagittarius (10°–20°), so its face ruler in the Chaldean order is the Moon.
What is the birthday number for December 9?
For December 9, modern numerology yields day number 9 and month-day number 3, both reached by adding digits together.
Sources
- Astronomy Engine JavaScript reference — Don Cross, Astronomy Engine. Verified .
- Ptolemy, Tetrabiblos, Book I — 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 .
- Sagittarius (astrology) — Wikipedia. Verified .
- Wikipedia: December 9 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .