April 12 birthdayZodiac sign, famous birthdays, personality and your 2027 numbers
The short answer
April 12 is an Aries birthday in the third decan of Aries with birthday number 3 and a Personal Year 9 in 2027; David Letterman (1947), Tom Clancy (1947) and Saoirse Ronan (1994) were born on April 12 too.
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April 12 zodiac sign: Aries
- Sun sign
- Aries
- Sun at noon UTC
- 21.7° to 23.1° Aries
- Decan
- Third of Aries, 20° to 30°
- Element and mode
- Fire, cardinal
- Ruling planet
- Mars
In every one of the 91 years from 1940 to 2030 the Sun stood in Aries for the whole of April 12, in every time zone on Earth, between 21.7° and 23.1° of the sign at noon UTC, so an April 12 birthday is an Aries birthday whatever the year or the hour.
At noon UTC on April 12 the Sun is in the third decan of Aries, 20° to 30°, in every one of those years, a face that belongs to Venus in the Chaldean order and is read through Sagittarius, ruled by Jupiter, by triplicity; in most years the decan runs from April 10 to April 19, and April 12 is its third day.
In most years April 12 is the 23rd day of the Sun’s season in Aries, which runs from March 21 to April 19 counted at noon UTC, with seven days of it still to come. April 12 is the 102nd day of a common year and the 103rd of a leap year, with 263 days of the year still to come after it.
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Famous April 12 birthdays
The earliest born of the twelve is Christian IV of Denmark, in 1577, and the most recent Saoirse Ronan, in 1994; five of them were born after 1949.
Born since 1950
- Saoirse Ronan (born 1994), Irish-American actress
- Claire Danes (born 1979), American actor
- Jennifer Morrison (born 1979), American actress
- Andy Garcia (born 1956), American actor and director
- Shannen Doherty (1971–2024), American actress
Born from 1900 to 1949
- David Letterman (born 1947), American comedian and television host
- Tom Clancy (1947–2013), American author
- Jan Tinbergen (1903–1994), Dutch economist
- Marcello Lippi (born 1948), Italian association football player and manager
- Ed O'Neill (born 1946), American actor
Born in the 1800s
- Alexander Ostrovsky (1823–1886), Russian playwright
Born before 1800
- Christian IV of Denmark (1577–1648), king of Denmark and Norway
Birthdays from Wikidata, checked against Wikipedia’s “On this day” births: the twelve best known of the 77 people the Almanac’s table keeps for April 12, by how many Wikipedia editions cover them, with dates before the calendar reform as the sources give them.
April 12 birthday personality
The last ten degrees of Aries go to Venus in the Chaldean order and to Sagittarius, Jupiter’s sign, by triplicity, which softens the charge with taste and a longer view. Readers of this decan look for courage spent on a cause or a person worth it, more than courage for its own sake.
The 12th joins 1 and 2 into 3, so numerology reads it as the self and the partner making something together, expression with a collaborator. Twelve is also the number of the months and the signs, which older symbolism took for a complete cycle. Fire turns the 3 toward celebration: the toast, the song, the first to laugh, and the reading asks only that the joy outlast the party.
A question to carry from April 12: what story would your courage tell if you trusted the people listening?
The Sun in Aries 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 12th, 1 + 2 = 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 April 12 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: April, the 4th month, gives 4, the 12th reduces to 3, and 4 + 3 + 11 = 18, which reduces to 9, so 2027 is your Personal Year 9.
A Personal Year 9 is read as the closing year of a nine-year cycle, a time to finish, forgive and clear space. With the Universal Year an 11, the house reads the release as making room for an inspired new beginning.
Personal Months of 2027, a Personal Year 9: Jan 1 Feb 11 Mar 3 Apr 4 May 5 Jun 6 Jul 7 Aug 8 Sep 9 Oct 1 Nov 2 Dec 3
In 2027 April 12 falls on a Monday, the day the old reckoning gives to the Moon, and is a Personal Day 7 (4 + 12 = 16, then 7) in a Personal Month 4 (9 + 4 = 13, then 4), while February is a master month 11; the Personal Year itself turns on 1 January, not on the birthday.
April birthstone and birth flower
- Birthstone
- Diamond
- Birth flowers
- Daisy, and sweet pea as the second flower
April’s diamond comes from the modern list (the Jewelers of America list of 1912, as since revised), and its daisy and sweet pea from The Old Farmer’s Almanac.
More birthdays
Common questions
What zodiac sign is April 12?
Aries: from 1940 to 2030 the Sun stayed in Aries for the whole of April 12 in every year and every time zone, 21.7° to 23.1° into the sign at noon UTC, so no birth year or birth time changes it.
Is April 12 a cusp birthday?
No: the Sun stays in Aries all day on April 12 in every year from 1940 to 2030, wherever on Earth the birth takes place, and the nearest cusp birthday is April 19, seven days later.
Who was born on April 12?
Among the best known people born on April 12 are David Letterman (born 1947), Tom Clancy (1947–2013) and Saoirse Ronan (born 1994), with Claire Danes, Jan Tinbergen and Jennifer Morrison and six more named on this page.
What is the birthday number for April 12?
3. Born on the 12th, 1 + 2 = 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 April 12 birthday?
9. For a birthday on April 12 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: April, the 4th month, gives 4, the 12th reduces to 3, and 4 + 3 + 11 = 18, which reduces to 9, so 2027 is your Personal Year 9.
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