Birthday signs · Libra season
What zodiac sign is September 30?
September 30 lies within the sign Libra of the tropical zodiac. Throughout the 101 years from 1930 through 2030, the Sun remained in Libra at noon UTC on September 30, at 6.36° to 7.86° Libra. On day 7 to 9 of the Libra season, September 30 sits in its early part, with the element air.
Calculated across 1930–2030 · checked .
September 30 is Libra
| Libra at noon UTC | 101 of 101 years, 1930–2030 |
|---|---|
| Nearest change of sign | at least 6 days away |
| Birth time needed for the sign | no |
September 30 at a glance
| Sign | ♎︎ Libra, the Scales |
|---|---|
| Element and mode | air, cardinal |
| Polarity | positive (masculine) |
| Ruler | Venus (traditional) |
| Sun on this date | 6.4° to 7.9° Libra at noon UTC, 1930–2030 |
| Day of the season | day 7 to 9 of Libra season |
| Decan | first (0°–10°), face of the Moon |
| Sidereal sign (Lahiri) | Virgo |
| Day number | 3 (modern numerology) |
Rulers: Ptolemy; modern list.6
The decan: early Libra
| Noon Sun | 6.36° to 7.86° Libra |
|---|---|
| Decan | first (0°–10°) |
| Face ruler, Chaldean order | the Moon |
Faces after Lilly, in Chaldean order.3
September 30 by the numbers
| Day number | 3 (3 + 0 = 3) |
|---|---|
| Month-day number | 3 (9 + 3 = 12, then 1 + 2 = 3) |
| System | modern numerology, digit sums |
Digit sums as numerology guides give them.4
Where the date falls in the season
| Day of Libra season | 7 to 9 |
|---|---|
| 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 September 30, early in the sign of Libra, this person arrives while the season is still finding its balance. Fairness matters to them, yet they sometimes find themselves weighing every option before choosing one. A friend asks where to eat, and they start comparing menus, moods, and distances until the evening slips away. Their gift is seeing several sides at once. Their challenge is letting a decision be good enough.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Virgo, all 101 years |
|---|---|
| Noon Sun, sidereal Virgo | 12.9°–14.2° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on September 30
- Rumi (1207–1273), Iranian poet
- Jean Perrin (1870–1942), French physicist
- Truman Capote (1924–1984), American writer
- Elie Wiesel (1928–2016), Romanian-born American writer, professor, political activist, Nobel laureate, and Holocaust survivor
- Monica Bellucci (1964), Italian actress and model
- Marion Cotillard (1975), French actress and model
- Olivier Giroud (1986), French footballer
- Max Verstappen (1997), Dutch and Belgian racing driver
Birth dates checked on Wikidata.7
September 30 in history
Observed on this date:
- Agricultural Reform (Nationalization) Day (São Tomé and Príncipe)
- Birth of Morelos (Mexico)
- Boy's Day (Poland)
- Independence Day (Botswana) or Botswana Day, celebrates the independence of Botswana from United Kingdom in 1966.
- International Translation Day (International Federation of Translators)
- National Day for Truth and Reconciliation or Orange Shirt Day (Canada)
Events on September 30:
- 1938: Britain, France, Germany and Italy sign the Munich Agreement, whereby Germany annexes the Sudetenland region of Czechoslovakia.
- 1960: The Flintstones, the first prime-time animated sitcom, premieres on ABC television.
- 2016: Two paintings with a combined value of $100 million are recovered after having been stolen from the Van Gogh Museum in 2002.
How the answer was worked out
Astronomy Engine was used to calculate the Sun's tropical longitude on September 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 September 30?
Counting the Sun at noon UTC, every sampled year from 1930 to 2030 has September 30 in Libra, all 101 of them.
Is September 30 on a zodiac cusp?
No. The Sun at noon occupies Libra on each September 30 from 1930 to 2030, and every September 30 is at least 6 days clear of the nearest change of sign.
What decan is September 30?
In each sampled year September 30 occupies the first decan of Libra (0°–10°), and so its Chaldean face ruler is the Moon.
What is the birthday number for September 30?
Adding digits produces both the day number 3 and the month-day number 3 that modern numerology gives September 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 .
- Libra (astrology) — Wikipedia. Verified .
- Wikipedia: September 30 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .