Birthday signs · Libra season
What zodiac sign is October 15?
Libra is where October 15 sits in the tropical zodiac. Within the 101 years from 1930 through 2030, the Sun stood in Libra at noon UTC on October 15, at 21.17° to 22.66° Libra. On day 22 to 24 of Libra season, October 15 is in its late part, with the element air.
Calculated across 1930–2030 · checked .
October 15 is Libra
| Libra 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 |
October 15 at a glance
| Sign | ♎︎ Libra, the Scales |
|---|---|
| Element and mode | air, cardinal |
| Polarity | positive (masculine) |
| Ruler | Venus (traditional) |
| Sun on this date | 21.2° to 22.7° Libra at noon UTC, 1930–2030 |
| Day of the season | day 22 to 24 of Libra season |
| Decan | third (20°–30°), face of Jupiter |
| Sidereal sign (Lahiri) | Virgo |
| Day number | 6 (modern numerology) |
Rulers: Ptolemy; modern list.6
The decan: late Libra
| Noon Sun | 21.17° to 22.66° Libra |
|---|---|
| Decan | third (20°–30°) |
| Face ruler, Chaldean order | Jupiter |
Faces after Lilly, in Chaldean order.3
October 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 Libra season | 22 to 24 |
|---|---|
| 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 in the last stretch of Libra, this person has spent a long time weighing both sides of things. By the time the fifteenth of October arrives, the scale is nearly full and the choice is close at hand. They are good at seeing every angle, yet friends sometimes find them hard to pin down. Their gift is making fair decisions, and their challenge is accepting that a fair choice still leaves something behind.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Virgo, all 101 years |
|---|---|
| Noon Sun, sidereal Virgo | 27.7°–29° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on October 15
- Virgil (70 BCE–19 BCE), Roman poet (1st century BC)
- Akbar (1542–1605), the third and greatest Mughal emperor from 1556 to 1605
- Evangelista Torricelli (1608–1647), Italian physicist and mathematician
- Mikhail Lermontov (1814–1841), Russian writer, poet and painter
- Friedrich Nietzsche (1844–1900), German philosopher
- Michel Foucault (1926–1984), French philosopher
- A. P. J. Abdul Kalam (1931–2015), Indian scientist, president and statesman
- Mesut Özil (1988), Turkish-German association football player
Birth dates checked on Wikidata.7
October 15 in history
Observed on this date:
- National Latino AIDS Awareness Day (United States)
- Shwmae Su'mae Day (Wales)
- White Cane Safety Day
- World Students' Day
Events on October 15:
- 1582: Adoption of the Gregorian calendar begins, eventually leading to near-universal adoption.
- 1923: The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic.
- 1956: FORTRAN, the first modern computer language, is first shared with the coding community.
- 1994: The United States, under the Clinton administration, returns Haiti's first democratically elected president, Jean-Bertrand Aristide, to the island.
- 2016: One hundred and ninety-seven nations amend the Montreal Protocol to include a phase-out of hydrofluorocarbons.
How the answer was worked out
For each year from 1930 through 2030, Astronomy Engine calculated the Sun's tropical longitude on October 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 October 15?
Counting the Sun at noon UTC, October 15 is Libra in every one of the 101 sampled years from 1930 to 2030.
Is October 15 on a zodiac cusp?
No. On all October 15 dates from 1930 to 2030, the noon Sun was in Libra, and October 15 is at least 7 days from the nearest change of sign.
What decan is October 15?
October 15 is found in the third decan of Libra (20°–30°) in every sampled year, and the corresponding Chaldean face ruler is Jupiter.
What is the birthday number for October 15?
In modern numerology, October 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 .
- Libra (astrology) — Wikipedia. Verified .
- Wikipedia: October 15 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .