Birthday signs · Capricorn season
What zodiac sign is January 15?
Capricorn is where January 15 sits in the tropical zodiac. Within the 101 years from 1930 through 2030, the Sun stood in Capricorn at noon UTC on January 15, at 24.14° to 25.63° Capricorn. On day 24 to 26 of Capricorn season, January 15 is in its late part, with the element earth.
Calculated across 1930–2030 · checked .
January 15 is Capricorn
| Capricorn at noon UTC | 101 of 101 years, 1930–2030 |
|---|---|
| Nearest change of sign | at least 4 days away |
| Birth time needed for the sign | no |
January 15 at a glance
| Sign | ♑︎ Capricorn, the Goat |
|---|---|
| Element and mode | earth, cardinal |
| Polarity | negative (feminine) |
| Ruler | Saturn (traditional) |
| Sun on this date | 24.1° to 25.6° Capricorn at noon UTC, 1930–2030 |
| Day of the season | day 24 to 26 of Capricorn season |
| Decan | third (20°–30°), face of the Sun |
| Sidereal sign (Lahiri) | Capricorn |
| Day number | 6 (modern numerology) |
Rulers: Ptolemy; modern list.6
The decan: late Capricorn
| Noon Sun | 24.14° to 25.63° Capricorn |
|---|---|
| Decan | third (20°–30°) |
| Face ruler, Chaldean order | the Sun |
Faces after Lilly, in Chaldean order.3
January 15 by the numbers
| Day number | 6 (1 + 5 = 6) |
|---|---|
| Month-day number | 7 (1 + 6) |
| System | modern numerology, digit sums |
Digit sums as numerology guides give them.4
Where the date falls in the season
| Day of Capricorn season | 24 to 26 |
|---|---|
| Capricorn season opened | December 21 (5 years) or December 22 (82) or December 23 (14) |
| Capricorn season closed | January 19 (48 years) or January 20 (53) |
| 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
Born on January 15, late in Capricorn, this person learned early that steady effort earns trust. The sign's patience sits in their habits, but the closing days of the season add a restless edge. Years of building something solid can leave them asking whether it still fits the life they have now. Keeping the foundation while reshaping the rooms is the work they return to, and most days it feels like a fair trade.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Capricorn, all 101 years |
|---|---|
| Noon Sun, sidereal Capricorn | 0.6°–2° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on January 15
- Molière (1622–1673), French playwright and actor
- Pierre-Joseph Proudhon (1809–1865), French politician, philosopher, anarchist and socialist
- Sofya Kovalevskaya (1850–1891), 19th-century Russian mathematician
- Mihai Eminescu (1850–1889), Romanian poet, novelist and journalist
- Edward Teller (1908–2003), Hungarian-American Jewish nuclear physicist
- Gamal Abdel Nasser (1918–1970), President of Egypt from 1956 to 1970
- Martin Luther King Jr. (1929–1968), American Baptist minister and civil rights leader
- Dove Cameron (1996), American actress and singer
Birth dates checked on Wikidata.7
January 15 in history
Observed on this date:
- Arbor Day (Egypt)
- Armed Forces Remembrance Day (Nigeria)
- Army Day (India)
- John Chilembwe Day (Malawi)
- Korean Alphabet Day (North Korea)
- Ocean Duty Day (Indonesia)
- Teacher's Day (Venezuela)
Events on January 15:
- 69: Otho seizes power in Rome, proclaiming himself Emperor of Rome, beginning a reign of only three months.
- 1892: James Naismith publishes the rules of basketball.
- 1962: The Derveni papyrus, Europe's oldest surviving manuscript dating to 340 BC, is found in northern Greece.
- 2005: ESA's SMART-1 lunar orbiter discovers elements such as calcium, aluminum, silicon, iron, and other surface elements on the Moon.
How the answer was worked out
For each year from 1930 through 2030, Astronomy Engine calculated the Sun's tropical longitude on January 15 at noon UTC, and each year's sign was read from that longitude.1 How the Machine works
Questions people also ask
What zodiac sign is January 15?
Counting the Sun at noon UTC, January 15 is Capricorn in every one of the 101 sampled years from 1930 to 2030.
Is January 15 on a zodiac cusp?
No. On all January 15 dates from 1930 to 2030, the noon Sun was in Capricorn, and January 15 is at least 4 days from the nearest change of sign.
What decan is January 15?
January 15 is found in the third decan of Capricorn (20°–30°) in every sampled year, and the corresponding Chaldean face ruler is the Sun.
What is the birthday number for January 15?
In modern numerology, January 15 has a day number of 6 and a month-day number of 7, both found by adding 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 .
- Capricorn (astrology) — Wikipedia. Verified .
- Wikipedia: January 15 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .