October 21 birthdayZodiac sign, famous birthdays, personality and your 2027 numbers
The short answer
October 21 is a Libra birthday in the third decan of Libra with birthday number 3 and a Personal Year 6 in 2027; Alfred Nobel (1833), Ursula K. Le Guin (1929) and Alphonse de Lamartine (1790) were born on October 21 too.
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October 21 zodiac sign: Libra
- Sun sign
- Libra
- Sun at noon UTC
- 27.2° to 28.6° Libra
- Decan
- Third of Libra, 20° to 30°
- Element and mode
- Air, cardinal
- Ruling planet
- Venus
In every one of the 91 years from 1940 to 2030 the Sun stood in Libra for the whole of October 21, in every time zone on Earth, between 27.2° and 28.6° of the sign at noon UTC, so an October 21 birthday is a Libra birthday whatever the year or the hour.
At noon UTC on October 21 the Sun is in the third decan of Libra, 20° to 30°, in every one of those years, a face that belongs to Jupiter in the Chaldean order and is read through Gemini, ruled by Mercury, by triplicity; in most years the decan runs from October 14 to October 23, and October 21 is its eighth day.
In most years October 21 is the 29th day of the Sun’s season in Libra, which runs from September 23 to October 23 counted at noon UTC, with two days of it still to come. October 21 is the 294th day of a common year and the 295th of a leap year, with 71 days of the year still to come after it.
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Famous October 21 birthdays
The earliest born of the twelve is Hongwu Emperor, in 1328, and the most recent Doja Cat, in 1995; five of them were born after 1949.
Born since 1950
- Carrie Fisher (1956–2016), American actress, writer and screenwriter
- Nemanja Vidić (born 1981), Serbian association football player
- Andre Geim (born 1958), Russian-born Dutch-British physicist
- Wolfgang Ketterle (born 1957), German physicist
- Doja Cat (born 1995), American singer and rapper
Born from 1900 to 1949
- Ursula K. Le Guin (1929–2018), American fantasy and science fiction author
- Nikita Mikhalkov (born 1945), Russian film director, writer, producer and actor
- Dizzy Gillespie (1917–1993), American jazz trumpeter
- Celia Cruz (1925–2003), Cuban singer
Born in the 1800s
- Alfred Nobel (1833–1896), Swedish chemist and inventor
Born before 1800
- Alphonse de Lamartine (1790–1869), French author, poet and statesman
- Hongwu Emperor (1328–1398), founding emperor of China's Ming dynasty
Birthdays from Wikidata, checked against Wikipedia’s “On this day” births: the twelve best known of the 64 people the Almanac’s table keeps for October 21, by how many Wikipedia editions cover them, with dates before the calendar reform as the sources give them.
October 21 birthday personality
Jupiter rules the last face of Libra in the Chaldean order and Gemini lends Mercury’s quickness by triplicity, so this is read as Libra in conversation, weighing ideas out loud, persuading, opening doors between people. Tradition credits it with diplomacy and asks that the open mind still make itself up.
Born on the 21st, 2 and 1 add to 3: partnership and initiative turning into expression. Numerology reads it as a sociable, creative birthday, the host who is also the entertainer. The tradition reads air with a 3 as the communicator’s pairing, whose talk is best when it builds a bridge rather than a stage.
A question to carry from October 21: what would your sense of fairness make if it set aside the fear of how it will be received?
The Sun in Libra and the number 3 are only part of the story: your Moon, your rising sign and the rest of your chart have as much to say, and the tradition offers all this as a mirror, never a verdict.
Birthday number 3
Born on the 21st, 2 + 1 = 3, so your birthday number is 3: a 3 vibration supports creativity, communication, joy, and expressive movement, with creative communication as its gift and scattered focus, avoidance, or emotional dramatization as its strain.
Your 2027 numbers
For a birthday on October 21 the house method reduces the birth month and the day on their own and adds the Universal Year of 2027, 11 (2 + 0 + 2 + 7 = 11, a master number kept whole), as it stands: October, the 10th month, reduces to 1, the 21st reduces to 3, and 1 + 3 + 11 = 15, which reduces to 6, so 2027 is your Personal Year 6.
Read as the year of the hearth, a Personal Year 6 brings home, family, love and responsibility to the front. In 2027, a Universal Year 11, the reading adds a calling to care for something wider than the household.
Personal Months of 2027, a Personal Year 6: Jan 7 Feb 8 Mar 9 Apr 1 May 11 Jun 3 Jul 4 Aug 5 Sep 6 Oct 7 Nov 8 Dec 9
In 2027 October 21 falls on a Thursday, the day the old reckoning gives to Jupiter, and is a Personal Day 1 (7 + 21 = 28, then 1) in a Personal Month 7 (6 + 10 = 16, then 7), while May is a master month 11; the Personal Year itself turns on 1 January, not on the birthday.
October birthstone and birth flower
- Birthstones
- Opal and tourmaline
- Birth flowers
- Marigold, and cosmos as the second flower
October’s opal and tourmaline come from the modern list (the Jewelers of America list of 1912, as since revised), and its marigold and cosmos from The Old Farmer’s Almanac.
More birthdays
Common questions
What zodiac sign is October 21?
Libra: from 1940 to 2030 the Sun stayed in Libra for the whole of October 21 in every year and every time zone, 27.2° to 28.6° into the sign at noon UTC, so no birth year or birth time changes it.
Is October 21 a cusp birthday?
No: the Sun stays in Libra all day on October 21 in every year from 1940 to 2030, wherever on Earth the birth takes place, and the nearest cusp birthday is October 22, one day later.
Who was born on October 21?
Among the best known people born on October 21 are Alfred Nobel (1833–1896), Ursula K. Le Guin (1929–2018) and Alphonse de Lamartine (1790–1869), with Carrie Fisher, Nemanja Vidić and Nikita Mikhalkov and six more named on this page.
What is the birthday number for October 21?
3. Born on the 21st, 2 + 1 = 3, so your birthday number is 3: a 3 vibration supports creativity, communication, joy, and expressive movement, with creative communication as its gift and scattered focus, avoidance, or emotional dramatization as its strain.
What is the 2027 Personal Year for an October 21 birthday?
6. For a birthday on October 21 the house method reduces the birth month and the day on their own and adds the Universal Year of 2027, 11 (2 + 0 + 2 + 7 = 11, a master number kept whole), as it stands: October, the 10th month, reduces to 1, the 21st reduces to 3, and 1 + 3 + 11 = 15, which reduces to 6, so 2027 is your Personal Year 6.
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