Birthdays · August

August 12 birthdayZodiac sign, famous birthdays, personality and your 2027 numbers

The short answer

August 12 is a Leo birthday in the second decan of Leo with birthday number 3 and a Personal Year 22 in 2027; Erwin Schrödinger (1887), Jacinto Benavente (1866) and George IV (1762) were born on August 12 too.

Get my personal reading →

$0 today, then $12/month after 7 days. Cancel anytime.

August 12 zodiac sign: Leo

Sun sign

Leo

Sun at noon UTC

18.9° to 20.3° Leo

Decan

Second of Leo, 10° to 20°

Element and mode

Fire, fixed

Ruling planet

The Sun

In every one of the 91 years from 1940 to 2030 the Sun stood in Leo for the whole of August 12, in every time zone on Earth, between 18.9° and 20.3° of the sign at noon UTC, so an August 12 birthday is a Leo birthday whatever the year or the hour.

At noon UTC on August 12 the Sun is in the second decan of Leo in 78 of those years and in the third in 13, so the decan, like the sign at a cusp, turns on the year. The second decan of Leo is a face that belongs to Jupiter in the Chaldean order and is read through Sagittarius, ruled by Jupiter, by triplicity, so the two systems agree, and in most years the decan runs from August 2 to August 12, and August 12 is its eleventh day.

In most years August 12 is the 21st day of the Sun’s season in Leo, which runs from July 23 to August 22 counted at noon UTC, with ten days of it still to come. August 12 is the 224th day of a common year and the 225th of a leap year, with 141 days of the year still to come after it.

From the reference page to your own chart

What does your own chart say about you?

Choose love, work or purpose. Your reading is written from your chart. Your reading uses your own birth details.

Get my personal reading $0 today, then $12/month after 7 days. Cancel anytime.

Walk through Alex’s whole example first

The Road of AgesSee the turning points of your whole life, from your birth date See your road's shape →

Prefer to explore first? +

Member tools The 2026 book ↗︎ Lectures

The daily letter, free +

One short letter at 7 each morning: the day’s theme read for your own chart.

Birth date Email

Also send me offers and news. Send my letter

We send a link to confirm your address, then a short letter from your chart at 7 each morning. Unsubscribe at any time.

The Road of AgesThe turning points of your whole life, from your own chart Walk my road →

Famous August 12 birthdays

The earliest born of the twelve is George IV, in 1762, and the most recent Cara Delevingne, in 1992; five of them were born after 1949.

Born since 1950

• Mario Balotelli (born 1990), Italian association football player
• Pete Sampras (born 1971), American tennis player
• Klaas-Jan Huntelaar (born 1983), Dutch association football player
• Casey Affleck (born 1975), American actor
• Cara Delevingne (born 1992), English model and actor

Born from 1900 to 1949

• Mark Knopfler (born 1949), British musician

Born in the 1800s

• Erwin Schrödinger (1887–1961), Austrian physicist
• Jacinto Benavente (1866–1954), Spanish writer
• Helena Blavatsky (1831–1891), Russian occult writer
• Cecil B. DeMille (1881–1959), American film director, producer and actor

Born before 1800

• George IV (1762–1830), King of the United Kingdom and Hanover from 1820 to 1830
• Robert Southey (1774–1843), English romantic poet

Birthdays from Wikidata, checked against Wikipedia’s “On this day” births: the twelve best known of the 69 people the Almanac’s table keeps for August 12, by how many Wikipedia editions cover them.

August 12 birthday personality

Both systems give the middle of Leo to Jupiter, so tradition reads the sign’s generosity at its widest: the host, the patron, the one who believes in other people out loud. Its caution is the promise made bigger than the purse.

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 August 12: what story would your warmth tell if you trusted the people listening?

The Sun in Leo 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 August 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: August, the 8th month, gives 8, the 12th reduces to 3, and 8 + 3 + 11 = 22, a master number the Almanac keeps whole, so 2027 is your Personal Year 22.

Kept whole as a master year rather than reduced to 4, a Personal Year 22 is read as the master builder’s year, a time to make a large vision practical. With 2027 a Universal Year 11 the reading pairs that vision with careful, steady work.

Personal Months of 2027, a Personal Year 22: Jan 5 Feb 6 Mar 7 Apr 8 May 9 Jun 1 Jul 11 Aug 3 Sep 4 Oct 5 Nov 33 Dec 7

In 2027 August 12 falls on a Thursday, the day the old reckoning gives to Jupiter, and is a Personal Day 6 (3 + 12 = 15, then 6) in a Personal Month 3 (22 + 8 = 30, then 3), while July is a master month 11 and November is a master month 33; the Personal Year itself turns on 1 January, not on the birthday.

August birthstone and birth flower

Birthstones

Peridot, spinel and sardonyx

Birth flowers

Gladiolus, and poppy as the second flower

August’s peridot, spinel and sardonyx come from the modern list (the Jewelers of America list of 1912, as since revised), and its gladiolus and poppy from The Old Farmer’s Almanac.

More birthdays

Common questions