Birthday signs · Sagittarius season
What zodiac sign is December 7?
Under the tropical zodiac, December 7 is set in Sagittarius. Sagittarius held the Sun at noon UTC on December 7 in all 101 years from 1930 through 2030, at 14.42° to 15.91° Sagittarius. On day 15 or 16 of the Sagittarius season, December 7 sits in its middle part, with the element fire.
Calculated across 1930–2030 · checked .
December 7 is Sagittarius
| Sagittarius at noon UTC | 101 of 101 years, 1930–2030 |
|---|---|
| Nearest change of sign | at least 13 days away |
| Birth time needed for the sign | no |
December 7 at a glance
| Sign | ♐︎ Sagittarius, the Archer |
|---|---|
| Element and mode | fire, mutable |
| Polarity | positive (masculine) |
| Ruler | Jupiter (traditional) |
| Sun on this date | 14.4° to 15.9° Sagittarius at noon UTC, 1930–2030 |
| Day of the season | day 15 or 16 of Sagittarius season |
| Decan | second (10°–20°), face of the Moon |
| Sidereal sign (Lahiri) | Scorpio |
| Day number | 7 (modern numerology) |
Rulers: Ptolemy; modern list.6
The decan: middle Sagittarius
| Noon Sun | 14.42° to 15.91° Sagittarius |
|---|---|
| Decan | second (10°–20°) |
| Face ruler, Chaldean order | the Moon |
Faces after Lilly, in Chaldean order.3
December 7 by the numbers
| Day number | 7 (7) |
|---|---|
| Month-day number | 1 (3 + 7 = 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 Sagittarius season | 15 or 16 |
|---|---|
| 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
Someone born on December 7 arrives in the middle of Sagittarius, when the urge to see what lies past the next hill runs strong and steady. They start projects with real enthusiasm, then ask what each one is teaching them. A short trip turns into a question about how other people live. This middle stretch of the season asks them to keep moving while learning to stay long enough to understand what they found.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Scorpio, all 101 years |
|---|---|
| Noon Sun, sidereal Scorpio | 20.9°–22.3° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on December 7
- Gian Lorenzo Bernini (1598–1680), Italian sculptor and architect
- Leopold Kronecker (1823–1891), German mathematician who worked on number theory and algebra
- Pietro Mascagni (1863–1945), Italian composer known for operas
- Willa Cather (1873–1947), American writer
- Eli Wallach (1915–2014), American actor
- Mário Soares (1924–2017), President of Portugal
- John Terry (1980), English association football player
- Robert Kubica (1984), Polish racing and rally driver
Birth dates checked on Wikidata.7
December 7 in history
Observed on this date:
- Armed Forces Flag Day (India)
- Day of the Little Candles, begins after sunset (Colombia)
- International Civil Aviation Day
- National Heroes Day (East Timor)
- National Pearl Harbor Remembrance Day (United States)
- Spitak Remembrance Day (Armenia)
Events on December 7:
- 574: Byzantine Emperor Justin II, suffering recurring seizures of insanity, adopts his general Tiberius and proclaims him as Caesar.
- 1922: The Parliament of Northern Ireland votes to remain a part of the United Kingdom and not unify with Southern Ireland.
- 1936: Australian cricketer Jack Fingleton becomes the first player to score centuries in four consecutive Test innings.
- 1995: The Galileo spacecraft arrives at Jupiter, a little more than six years after it was launched by Space Shuttle Atlantis during Mission STS-34.
- 2025: British racing driver Lando Norris wins the Formula One World Drivers' Championship in 2025 with McLaren.
How the answer was worked out
Astronomy Engine provided the Sun's tropical longitude on December 7 at noon UTC for each year from 1930 through 2030, and each year's sign was read from it.1 How the Machine works
Questions people also ask
What zodiac sign is December 7?
Over the 101 sampled years from 1930 to 2030, December 7 is Sagittarius each time, with the Sun counted at noon UTC.
Is December 7 on a zodiac cusp?
No. Between 1930 and 2030, the noon Sun stood in Sagittarius on every December 7, and no December 7 lies within 13 days of a sign change.
What decan is December 7?
For every sampled year, December 7 is placed in the second decan of Sagittarius (10°–20°), so the Chaldean face ruler assigned is the Moon.
What is the birthday number for December 7?
Modern numerology gives December 7 a day number of 7 and a month-day number of 1, found by summing the digits.
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 7 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .