Birthday signs · Libra season
What zodiac sign is October 13?
October 13 occupies the sign of Libra in the tropical zodiac. Over the 101 years from 1930 through 2030, the Sun occupied Libra at noon UTC on October 13, at 19.19° to 20.68° Libra. Day 20 to 22 of Libra season is October 13, which lies in the middle part with the element air.
Calculated across 1930–2030 · checked .
October 13 is Libra
| Libra at noon UTC | 101 of 101 years, 1930–2030 |
|---|---|
| Nearest change of sign | at least 9 days away |
| Birth time needed for the sign | no |
October 13 at a glance
| Sign | ♎︎ Libra, the Scales |
|---|---|
| Element and mode | air, cardinal |
| Polarity | positive (masculine) |
| Ruler | Venus (traditional) |
| Sun on this date | 19.2° to 20.7° Libra at noon UTC, 1930–2030 |
| Day of the season | day 20 to 22 of Libra season |
| Decan | second (57 years) and third (44); faces: Saturn, Jupiter |
| Sidereal sign (Lahiri) | Virgo |
| Day number | 4 (modern numerology) |
Rulers: Ptolemy; modern list.6
The decan: middle Libra
| Noon Sun | 19.19° to 20.68° Libra |
|---|---|
| Decans | second in 57 years, third in 44 |
| Decan line crossed | 20° |
| Face rulers, Chaldean order | Saturn, Jupiter |
Faces after Lilly, in Chaldean order.3
October 13 by the numbers
| Day number | 4 (1 + 3 = 4) |
|---|---|
| Month-day number | 5 (1 + 4) |
| System | modern numerology, digit sums |
Digit sums as numerology guides give them.4
Where the date falls in the season
| Day of Libra season | 20 to 22 |
|---|---|
| Libra season opened | September 22 (1 year) or September 23 (73) or September 24 (27) |
| Libra season closed | October 22 (37 years) or October 23 (64) |
| Element and mode | air, cardinal |
| Traditional ruler | Venus |
Seasons by the noon-UTC rule; rulers after Ptolemy.2
Born at this point in Libra season
Born on October 13, this person arrives at the turn from Libra toward Scorpio, where balance starts to tip. Picture them at a kitchen table, listing pros and cons for a move across town while a friend asks for a yes or no. They hold both sides carefully, then feel the pull of one option growing stronger. The waiting is the hard part. Their own steady sense of fairness helps them see what each choice would cost, and that clarity is theirs to use when they choose to speak.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Virgo, all 101 years |
|---|---|
| Noon Sun, sidereal Virgo | 25.7°–27° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on October 13
- Yves Montand (1921–1991), French-Italian actor and singer
- Margaret Thatcher (1925–2013), Prime Minister of the United Kingdom from 1979 to 1990
- Turgut Özal (1927–1993), 8th President of the Republic of Turkey
- Paul Simon (1941), American singer-songwriter
- Jamal Khashoggi (1958–2018), Saudi journalist
- Sacha Baron Cohen (1971), British comedian and actor
- Alexandria Ocasio-Cortez (1989), American politician
Birth dates checked on Wikidata.7
October 13 in history
Observed on this date:
- Azerbaijani Railway Day (Azerbaijan)
- Doi taikomatsuri October 13–15 (Shikokuchūō, Ehime, Japan)
- International Day for Disaster Risk Reduction (international)
- Paramedics' Day (Poland)
- Rwagasore Day (Burundi)
Events on October 13:
- 1259: The Provisions of Westminster, a law reform programme resulting out of the conflict of King Henry III of England and his barons, are approved.
- 1843: In New York City, B'nai B'rith, the oldest Jewish service organization in the world, is founded.
- 1908: Margaret Travers Symons bursts into the UK parliament and becomes the first woman to speak there.
- 1972: The flag of Okinawa Prefecture, Japan, was officially adopted.
- 2019: Kenyan Brigid Kosgei sets a new women's world record with a time of 2:14:04 at the 2019 Chicago Marathon.
How the answer was worked out
Astronomy Engine was used to calculate the Sun's tropical longitude on October 13 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 October 13?
October 13 falls in Libra in all 101 sampled years from 1930 to 2030, counting the Sun at noon UTC.
Is October 13 on a zodiac cusp?
No. Each October 13 from 1930 to 2030 shows the noon Sun in Libra, and October 13 stands at least 9 days from the nearest change of sign.
What decan is October 13?
Two decans of Libra contain October 13: the second, the face of Saturn, holds 57 sampled years, and the third, the face of Jupiter, holds 44.
What is the birthday number for October 13?
Digit addition is the method by which modern numerology determines day number 4 and month-day number 5 for October 13.
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 .
- Libra (astrology) — Wikipedia. Verified .
- Wikipedia: October 13 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .