Sienna Miller Age, Birthday, Zodiac Sign and Birth Chart

Sienna Miller is an American actress born on December 28, 1981. She is widely recognized for her performances in several films, including G.I. Joe: The Rise of Cobra (2009), American Sniper (2014), Burnt (2015), and The Lost City of Z (2016). Her acting career has earned her a prominent place in the film industry, showcasing her diverse range and talent across various genres.

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Zodiac Sign (Western)
Capricorn

Sunsign, Tropical Zodiac

Zodiac Sign (Vedic)
Capricorn

Moonsign, Sidereal Zodiac

Age (Today)
44 years, 3 days

Your next birthday is 361 days away.

Place of Birth
New York City

Time Zone - America/New_York (5:0 W)

Chinese Zodiac Sign
Rooster (鸡)
Birth Number
1

Life Path Number
5
Name Number (Chaldean)
38 => 2

Name Number (Pythagorean)
5

Meaning of the name - Sienna

reddish-brown, from the city of Siena in Italy

Read Full Sienna Name Analysis

December 28, 1981 Facts

Generation Group

Sienna Miller belongs to the Millennials group.


Place of Birth: New York City

Educated At: Heathfield School | Francis Holland School | Lee Strasberg Theatre and Film Institute

Occupation: film actor | television actor | fashion designer | model | voice actor | stage actor | socialite | actor


Astrology Analysis

Note: This birth chart is calculated using the date and place of birth, with the time set to noon (12:00 PM) local time. While this provides accurate planetary positions for most celestial bodies, the Ascendant (Rising Sign) and house cusps are not calculated since they require precise birth time. For a complete astrological analysis including houses and rising sign, please provide the exact birth time.

Ephemeris for December 28, 1981

Note: Moon position is location and time sensitive.
Planet Position (Tropical, Western) Transits on December 28, 2025 Secondary Progressions for December 28, 2025
Sun 6 Capricorn 53 7 Capricorn 13 21 Aquarius 38
Moon 2 Aquarius 9 18 Aries 58 22 Virgo 11
Mercury 17 Capricorn 14 23 Sagittarius 40 3 Aquarius 20
Venus 8 Aquarius 42 5 Capricorn 4 23 Capricorn 22
Mars 5 Libra 41 10 Capricorn 10 18 Libra 34
Jupiter 5 Scorpio 26 21 Cancer 47 9 Scorpio 52
Saturn 21 Libra 38 25 Pisces 53 22 Libra 33
Uranus 2 Sagittarius 34 28 Taurus 3 4 Sagittarius 21
Neptune 25 Sagittarius 2 29 Pisces 27 26 Sagittarius 27
Pluto 26 Libra 38 2 Aquarius 37 26 Libra 53
Rahu 23 Cancer 21 12 Pisces 20 21 Cancer 1
Ketu 23 Capricorn 21 12 Virgo 20 21 Capricorn 1

Chandra Kundali (Equal House, North Indian Diamond Chart)

Astrology Transits Analysis for Year 2025

Note: Multiple transits occurring in close proximity often signify a major event in a person's life.

Sienna Miller's 2025 Transits to Natal Planets