Birthday signs · Virgo season
What zodiac sign is September 18?
September 18 lies in the sign Virgo of the tropical zodiac. The Sun was in Virgo at noon UTC on September 18 in all 101 years from 1930 through 2030, at 24.61° to 26.1° Virgo. Day 26 or 27 of Virgo season, in its late part, is September 18, with the element earth.
Calculated across 1930–2030 · checked .
September 18 is Virgo
| Virgo at noon UTC | 101 of 101 years, 1930–2030 |
|---|---|
| Nearest change of sign | at least 3 days away |
| Birth time needed for the sign | no |
September 18 at a glance
| Sign | ♍︎ Virgo, the Maiden |
|---|---|
| Element and mode | earth, mutable |
| Polarity | negative (feminine) |
| Ruler | Mercury (traditional) |
| Sun on this date | 24.6° to 26.1° Virgo at noon UTC, 1930–2030 |
| Day of the season | day 26 or 27 of Virgo season |
| Decan | third (20°–30°), face of Mercury |
| Sidereal sign (Lahiri) | Virgo |
| Day number | 9 (modern numerology) |
Rulers: Ptolemy; modern list.6
The decan: late Virgo
| Noon Sun | 24.61° to 26.1° Virgo |
|---|---|
| Decan | third (20°–30°) |
| Face ruler, Chaldean order | Mercury |
Faces after Lilly, in Chaldean order.3
September 18 by the numbers
| Day number | 9 (1 + 8 = 9) |
|---|---|
| Month-day number | 9 (9 + 9 = 18, then 1 + 8 = 9) |
| System | modern numerology, digit sums |
Digit sums as numerology guides give them.4
Where the date falls in the season
| Day of Virgo season | 26 or 27 |
|---|---|
| Virgo season opened | August 23 (65 years) or August 24 (36) |
| Virgo season closed | September 21 (1 year) or September 22 (73) or September 23 (27) |
| Element and mode | earth, mutable |
| Traditional ruler | Mercury |
Seasons by the noon-UTC rule; rulers after Ptolemy.2
Born at this point in Virgo season
Born on September 18, late in Virgo, this person carries the season's habit of checking details as the sign begins turning toward Libra. Mercury's quick mind spots a loose thread in a plan. That same eye can make a small slip feel larger than it is. Friends bring them problems and expect a fix. Saying no to the next favor can feel like breaking a promise, even when rest is the wiser choice.
Interpretation, not prediction.
The sidereal sign
| Sidereal sign, Lahiri ayanamsa | Virgo, all 101 years |
|---|---|
| Noon Sun, sidereal Virgo | 1.1°–2.4° |
| Convention | Indian (Vedic) astrology |
Ayanamsa convention.5
Born on September 18
- Samuel Johnson (1709–1784), English writer and lexicographer
- Pope Gregory XVI (1765–1846), Pope of the Catholic Church from 1831 to 1846
- Léon Foucault (1819–1868), French physicist
- Greta Garbo (1905–1990), Swedish-American actress
- James Gandolfini (1961–2013), American actor
- Anna Netrebko (1971), Russian and Austrian operatic soprano
- Lance Armstrong (1971), cyclist from the United States
- Ronaldo (Brazilian footballer) (1976), Brazilian association football player
Birth dates checked on Wikidata.7
September 18 in history
Observed on this date:
- Day of National Music (Azerbaijan)
- Island Language Day (Okinawa Prefecture, Japan)
- National Day or Dieciocho (Chile)
- National HIV/AIDS and Aging Awareness Day (United States)
- Navy Day (Croatia)
- World Water Monitoring Day
Events on September 18:
- 1180: Philip Augustus becomes king of France at the age of fifteen.
- 1867: The first provincial election for the Nova Scotia Legislative Assembly after Canada's Confederation returns a large majority for the Anti-Confederation Party, led by William Annand, who becomes Premier.
- 1919: In the Netherlands, a law granting full voting rights to women is granted royal assent by Queen Wilhelmina.
- 1950: TV Tupi Difusora, the first television station to broadcast in Brazil, begins transmissions on Channel 3 in São Paulo.
- 2014: Scotland votes against independence from the United Kingdom, by 55% to 45%.
How the answer was worked out
The sign of each year from 1930 through 2030 was read from the Sun's tropical longitude on September 18, calculated at noon UTC with Astronomy Engine.1 How the Machine works
Questions people also ask
What zodiac sign is September 18?
Each of the 101 sampled years from 1930 to 2030 puts September 18 in Virgo, counting the Sun at noon UTC.
Is September 18 on a zodiac cusp?
No. On every September 18 from 1930 to 2030, the noon Sun was in Virgo, and September 18 sits at least 3 days from the nearest change of sign.
What decan is September 18?
Every sampled year finds September 18 within the third decan of Virgo (20°–30°), and the face ruler in the Chaldean order is accordingly Mercury.
What is the birthday number for September 18?
For September 18, modern numerology gives a day number of 9 and a month-day number of 9, each 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 .
- Virgo (astrology) — Wikipedia. Verified .
- Wikipedia: September 18 — Wikipedia (Wikimedia On this day feed); birth dates checked on Wikidata. Verified .