Birthday signs · Capricorn season
What zodiac sign is December 30?
December 30 lies within the sign Capricorn of the tropical zodiac. Throughout the 101 years from 1930 through 2030, the Sun remained in Capricorn at noon UTC on December 30, at 7.83° to 9.32° Capricorn. On day 8 to 10 of the Capricorn season, December 30 sits in its early part, with the element earth.
Calculated across 1930–2030 · checked .
December 30 is Capricorn
| Capricorn at noon UTC | 101 of 101 years, 1930–2030 |
|---|---|
| Nearest change of sign | at least 7 days away |
| Birth time needed for the sign | no |
December 30 at a glance
| Sign | ♑︎ Capricorn, the Goat |
|---|---|
| Element and mode | earth, cardinal |
| Polarity | negative (feminine) |
| Ruler | Saturn (traditional) |
| Sun on this date | 7.8° to 9.3° Capricorn at noon UTC, 1930–2030 |
| Day of the season | day 8 to 10 of Capricorn season |
| Decan | first (0°–10°), face of Jupiter |
| Sidereal sign (Lahiri) | Sagittarius |
| Day number | 3 (modern numerology) |
Rulers: Ptolemy; modern list.6
The decan: early Capricorn
| Noon Sun | 7.83° to 9.32° Capricorn |
|---|---|
| Decan | first (0°–10°) |
| Face ruler, Chaldean order | Jupiter |
Faces after Lilly, in Chaldean order.3
December 30 by the numbers
| Day number | 3 (3 + 0 = 3) |
|---|---|
| Month-day number | 6 (3 + 3) |
| System | modern numerology, digit sums |
Digit sums as numerology guides give them.4
Where the date falls in the season
| Day of Capricorn season | 8 to 10 |
|---|---|
| Capricorn season opened | December 21 (5 years) or December 22 (82) or December 23 (14) |
| Capricorn season closed | January 19 (49 years) or January 20 (52) |
| Element and mode | earth, cardinal |
| Traditional ruler | Saturn |
Seasons by the noon-UTC rule; rulers after Ptolemy.2
Born at this point in Capricorn season
Someone born on December 30 arrives early in Capricorn, while the year is still closing and the season is only beginning to gather weight. This person can keep a steady hand on plans that others let slide. They notice what needs repair before anyone asks. The harder lesson is accepting a task that stays half finished, because rest can feel like a debt they have not yet paid off.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Sagittarius, all 101 years |
|---|---|
| Noon Sun, sidereal Sagittarius | 14.3°–15.7° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on December 30
- Theodor Fontane (1819–1898), German novelist and poet
- Rudyard Kipling (1865–1936), English writer and poet
- Tu Youyou (1930), Chinese medical scientist
- Omar Bongo (1935–2009), Gabonese politician
- Mike Pompeo (1963), American politician, United States Secretary of State
- Kersti Kaljulaid (1969), Estonian politician and president of Estonia
- Tiger Woods (1975), American golfer
- LeBron James (1984), American basketball player
Birth dates checked on Wikidata.7
December 30 in history
Observed on this date:
- Day of the Declaration of Slovakia as an Independent Ecclesiastic Province (Slovakia)
- Rizal Day (Philippines)
- The fifth day of Kwanzaa (United States)
- The sixth of the Twelve Days of Christmas (Western Christianity)
Events on December 30:
- 534: The second and final edition of the Code of Justinian comes into effect in the Byzantine Empire.
- 1853: Gadsden Purchase: The United States buys land from Mexico to facilitate railroad building in the Southwest.
- 1906: The All-India Muslim League is founded in Dacca, East Bengal, British India (later Dhaka, Bangladesh).
- 1936: The Flint sit-down strike hits General Motors.
- 1996: Proposed budget cuts by Benjamin Netanyahu spark protests from 250,000 workers who shut down services across Israel.
How the answer was worked out
Astronomy Engine was used to calculate the Sun's tropical longitude on December 30 at noon UTC for each year from 1930 through 2030, and each year's sign was read from the result.1 How the Machine works
Questions people also ask
What zodiac sign is December 30?
Counting the Sun at noon UTC, every sampled year from 1930 to 2030 has December 30 in Capricorn, all 101 of them.
Is December 30 on a zodiac cusp?
No. The Sun at noon occupies Capricorn on each December 30 from 1930 to 2030, and every December 30 is at least 7 days clear of the nearest change of sign.
What decan is December 30?
In each sampled year December 30 occupies the first decan of Capricorn (0°–10°), and so its Chaldean face ruler is Jupiter.
What is the birthday number for December 30?
Adding digits produces both the day number 3 and the month-day number 6 that modern numerology gives December 30.
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 .
- Capricorn (astrology) — Wikipedia. Verified .
- Wikipedia: December 30 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .