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Portrait of Sia

Sia

Sia (born December 18, 1975, Adelaide, Australia), aged 50, is an Australian singer and songwriter. Sia is best known for This Is Acting, Healing Is Difficult and 1000 Forms of Fear. Sia's honours include NRJ Music Award for International Song of the Year and NRJ Music Award for International Female Artist of the Year.

Sia’s zodiac sign is Sagittarius, Chinese zodiac is Wood Rabbit, with Life Path 7 in numerology.

Your match with Sia

Free, no account, stays on this device. Add a birth time later.

Sia’s AsterNym identity

The Steadfast Seeker

Earth represents stability. Earth-led charts are associated with patience, responsibility and the ability to make people or projects feel supported. Life Path 7 represents inquiry: study, solitude and the need to understand what others may simply accept.

Earth Day Master (BaZi) × mutable Sun × Life Path 7, on the intuitive plane.

How common is the name Sia in the U.S.?

#1107

US rank in 2025

~2,795

Americans share it since 1968

2025

its peak year

In 1975, 8 American girls were registered Sia — 7,046th on the SSA's list that year.

US Social Security Administration public records

Sia’s lucky numbers, colours and stones

Traditional correspondences, calculated not chosen.

Lucky numbers

7 · 3 · 4 · 6

Lucky colours

Green & Teal

Lucky day

Thursday

Direction

→ East

Season

spring

Stones

Turquoise, Yellow Sapphire, Green Aventurine

Flower constellation

🤍 Narcissus · 🌸 Peony · 🌿 Fern

Frost white · Rose-gold · Forest

Eight Mansions · Kua number

Kua 9, trigram Li 離, East group. Best direction East, worst Northeast.

A different tradition from the Direction above, and a different question: feng shui reads it from the solar year 1975, which turns at Li Chun rather than at New Year, and from sex, which Wikidata records as female. Work out your own →

The record

What sets Sia apart

We Are Born, Colour the Small One and Some People Have Real Problems. That is the work the name is attached to.

Study took Sia to Adelaide High School.

Sia was 18 when the work began in 1993.

On Wikipedia the categories read Acid jazz musicians, Australian autistic people and ARIA Award winners.

Steven Spielberg (1946) and Brad Pitt (1963) share the birthday in another year, so the sun sits where it sits here.

Known for
We Are Born, Colour the Small One and Some People Have Real Problems
Educated at
Adelaide High School
Instruments
voice
Awards
NRJ Music Award for International Female Artist of the Year (2016) and NRJ Music Award for International Song of the Year (2014)
Working from
1993
Citizenship
Australia
Languages
English
Wikipedia editions
80

What the chart says

Sia, according to the stars

Core essence

Sia is the friend who says "let's just go" and means today. The core of Sia is faith that the world is bigger and better than the room they are in, and a restlessness to go and check. They are honest to the point of it being a sport, funny by accident, and impossible to keep small. Freedom is not a preference, it is oxygen.

The vibe

Underneath, Sia processes by talking. The Moon in Gemini means a feeling is not real until it has been said out loud, ideally to two people, ideally with a joke attached. What Sia needs to feel safe is someone who will listen to the whole thought, including the three tangents, without rushing them to a point.

How Sia wants to be loved

Sia wants to be loved completely or not at all. Venus in Scorpio is intense, private and all in, and wants the same depth back: no games, no half measures. Trust is the whole thing. Be honest with Sia even when it costs you, and they will be the most devoted person you have ever met.

How Sia creates

How Sia makes things happen: they are the ground everyone else stands on. A Yang Earth day master is the mountain, reliable, slow to move, immovable once it has. Sia creates by holding: the plan, the people, the standard. They are trusted before they have said a word, and the work is remembering that mountains are allowed to want things too.

Instinct

Instinct: Sia is gentle and diplomatic, a Rabbit year, and their gut reaction is to keep the peace and read the room. Graceful, kind, quietly discerning, and much tougher than the soft manners suggest. The Wood year adds growth: ideals, ambition, a need to be getting somewhere.

Purpose

Purpose: Life Path 7 is the seeker. Sia is here to understand, to go deep rather than wide, to keep a private inner world that most people never see. Thoughtful, intuitive, happiest with time alone, and learning to let the right people in.

Triggers

Triggers: being bored, and being talked over. Mars in Gemini fights with words and wins, then forgets it happened. Sia scatters energy across three projects at once and somehow finishes two. The trick is choosing the argument worth having.

Computed from Sia's birth date. Working below.

Where Sia sits

Six lines

Sia’s dot comes from the chart; yours is where you put it.

Intimate circleWide network
Sia

You likely balance a tight inner circle with a wider orbit you dip into.

DeliberateSpontaneous
Sia

You may leap first and adjust as you go. Waiting can feel like losing momentum.

PrivateExpressive
Sia

You likely share some feelings openly and keep others to yourself.

Cool off firstResolve immediately
Sia

You likely handle some friction right away and let smaller things settle.

PracticalVisionary
Sia

You likely balance practical steps with room to imagine further.

Gradual trustImmediate chemistry
Sia

You may feel connection fast. Chemistry can arrive before the details do.

✦ A real star from their birth night

Dedicate a star to Sia

Three stars chosen from the real sky above Adelaide on the night they were born. Choose the story that connects you.

A 9 p.m. reference sky, not the birth minute. Dedications are commemorative and confer no ownership of stars.

The sky over Adelaide that night

Computed for 34.93°S, 9 p.m. local sky.

Overhead at Adelaide at 9 p.m. that evening: Ankaa of Phoenix, within 14.7° of the exact zenith.

Sirius was the brightest thing up that night, one of 88 catalog stars above the horizon.

At 34.9°S there are stars that never set at all. Rigil Kentaurus, Achernar, Hadar, Acrux, Mimosa and Toliman stay up year round.

Sun 6° below the horizon, Moon up and 100% lit at full moon.

The name and the places

Born in
Adelaide, Australia
Lives in
Adelaide

Wikidata records Adelaide as Sia's home. It is a public record rather than our own research, and it can lag behind a move.

No birth time is on record, so no astrocartography map can be drawn for Sia: the lines move about fifteen degrees of longitude an hour. Shared Places can still draw yours.

How unusual Sia's chart is

Chart pattern score

12 / 100 · Reassuringly normal

Mars retrograde

An AsterNym index built from stelliums, yods, grand crosses and chart shape. It is not a population percentile, and a high score is not a better chart. Without a birth time the houses are left out of it.

Score your own chart →

If you only read one paragraph

Sagittarius Sun

Needs a horizon, any horizon.

Sia's Sun was in Sagittarius for the whole of December 18, 1975, so no birth time is needed to settle it.

What Sagittarius means →

Wood Rabbit

Soft voice, sharp read.

Sia was born on December 18, 1975, which falls in a Wood Rabbit year of the Chinese calendar.

What the Rabbit means →

Life Path 7

Digs under every answer.

Sia's birth date, December 18, 1975, reduces to Life Path 7 under the numerology method AsterNym uses.

What Life Path 7 means →

What stands out in Sia’s chart

Sia’s birth chart

Reference chart · birth time unknown

Positions are checked across the whole date. The Moon ranges from 12° to 25° Gemini depending on the hour.

AriesTaurusGeminiCancerLeoVirgoLibraScorpioSagittariusCapricornAquariusPisces123456789101112Mercury opens doors for Uranus · Sextile, 0.3° orbNeptune opens doors for Pluto · Sextile, 0.5° orbJupiter flows with Neptune · Trine, 2.8° orbMoon fuses with Mars · Conjunction, 3.2° orbJupiter faces off with Pluto · Opposition, 3.4° orbSun faces off with Mars · Opposition, 3.5° orbSaturn grinds against Uranus · Square, 3.8° orbMoon opens doors for Jupiter · Sextile, 4° orbSun in Sagittarius · 25°30′☉25°Moon in Gemini · 18°52′☽18°Mercury in Capricorn · 6°07′☿6°Venus in Scorpio · 12°50′♀12°Mars in Gemini · 22°01′ · retrograde♂℞22°Jupiter in Aries · 14°51′♃14°Saturn in Leo · 1°59′ · retrograde♄℞1°Uranus in Scorpio · 5°48′♅5°Neptune in Sagittarius · 12°01′♆12°Pluto in Libra · 11°29′♇11°

No birth time, so the houses are a solar chart: the Sun’s sign counts as house 1.

Tap a planet, a sign, a house, an aspect line or an element to see what it means and what sits in it.
Lines drawn
Conjunction 0°
Sextile 60°
Square 90°
Trine 120°
Opposition 180°

Placements

Tap one to light it on the wheel.

The working: aspects, Chiron and the asteroids, dominant planets and configurationsshow

Aspects across every possible birth time

  • stableMercurysextileUranus0.0° to 1.1° orb

    Sia’s mind opens doors for their need for freedom. An easy alliance, and it pays off when it is used.

  • stableNeptunesextilePluto0.5° orb

    Sia’s imagination opens doors for their depths. An easy alliance, and it pays off when it is used.

  • stableSunoppositionMars2.8° to 4.2° orb

    Sia’s core identity pulls against their drive from across the wheel.

  • stableJupitertrineNeptune2.8° orb

  • stableJupiteroppositionPluto3.4° orb

  • stableSaturnsquareUranus3.8° to 3.9° orb

  • stableMercurysquarePluto4.6° to 6.2° orb

  • stableVenusconjunctionUranus6.5° to 7.6° orb

  • possibleMoonsextileJupiterorb from 0.0° to 10.5° depending on birth time

  • possibleMoonconjunctionMarsorb from 0.1° to 9.8° depending on birth time

  • possibleMoonoppositionNeptuneorb from 0.4° to 13.4° depending on birth time

  • possibleSunoppositionMoonorb from 0.6° to 12.6° depending on birth time

Chart signature

Elements

  • Fire4 of 10
  • Earth1 of 10
  • Air3 of 10
  • Water2 of 10

Modalities

  • Cardinal3 of 10
  • Fixed3 of 10
  • Mutable4 of 10

Counted across the ten planets by sign: Fire leads this chart.

Sia’s Chiron, Ceres, Eros, Hygiea and Lilith

What astrologers make of these five, at noon values.

  • ⚷ Chiron ℞Aries 23°44′ (moves 0.02° over the day)

    centaur (2060) · the wound and what is learnt from it

  • ⚳ Ceres ℞Gemini 4°40′ (moves 0.20° over the day)

    dwarf planet (1) · how a person nurtures and wants to be nurtured

  • ♡ ErosCapricorn 21°01′ (moves 0.58° over the day)

    near-Earth asteroid (433) · what draws them and how they desire

  • ⚕ Hygiea ℞Cancer 4°15′ (moves 0.20° over the day)

    main-belt asteroid (10) · health, routine and what keeps them well

  • ⚸ Black Moon LilithAries 5°11′ (moves 0.11° over the day)

    mean lunar apogee · the part that refuses to be tamed

Aspects to the asteroids and Lilith

  • Black Moon Lilith square Mercury 0.9°
  • Hygiea trine Uranus 1.6°
  • Chiron sextile Mars 1.7°
  • Chiron trine Sun 1.8°
  • Hygiea opposition Mercury 1.9°
  • Ceres sextile Saturn 2.7°

Sia’s dominant planets

  1. 1. ♃ Jupiter7 pts

    rules the Sun sign, Sagittarius; disposes Sun, Neptune; 2 major aspects

  2. 2. ♇ Pluto5 pts

    disposes Venus, Uranus; 3 major aspects

  3. 3. ☿ Mercury3 pts

    disposes Mars; 2 major aspects

Configurations in Sia’s chart

No stellium, grand trine, T-square, grand cross, yod or kite — the common case.

Minor aspects

semi-sextile, semi-square, quintile, sesquiquadrate, biquintile, quincunx.

  • Sun biquintile Saturn 0.5°
  • Venus semi-sextile Neptune 0.8°
  • Mars sesquiquadrate Uranus 1.2°
  • Venus semi-sextile Pluto 1.3°
  • Venus quincunx Jupiter 2.0°

More people like Sia

Other record producers

Born in Australia

More charts like Sia’s

Fellow Sagittarius suns

All about Sagittarius →

Born in Rabbit years

Year of the Rabbit →

Also born on December 18

Fellow Yang Earth day masters

What a Day Master is →

Other Sagittarius Rabbit charts

Other Steadfast Seekers

The Steadfast Seeker explained →

Famous people with Life Path 7

Life Path numbers explained →

From the journal: The Lo Shu square: the oldest magic square there is · What if you don't know your birth time?

Sia’s cards

Computed from December 18, 1975. Tap to flip.

Birth tarot card

The Chariot

AsterNym identity card

The Steadfast Seeker

Western zodiac

Sagittarius

Chinese zodiac

Rabbit 卯

Life Path

7 · Seeker

♃ Ruled by Jupiter

Tin Sn

The working: BaZi pillarsshow

BaZi pillars

Day Master: yang Earth.

Year

乙

yin Wood

卯

Rabbit

Wood

roots & early life

Month

戊

yang Earth

子

Rat

Water

work & drive

Day

day master

戊

yang Earth

戌

Dog

Earth

you & partnership

Where this comes from, and how it is worked out

Sia’s birth date and birthplace come from Wikidata Q181484 (CC0), as do the occupations, works and awards above. With no documented birth time this chart is rated X on the Rodden scale, the astrological convention for how well evidenced a birth time is. The banner above lists what that leaves out. Entries are matched to Wikidata by entity id rather than by name, kept at day precision, and dropped where sources disagree on the date.

Tropical zodiac, whole-sign houses, modern rulers. Aspects on the western_v1 orb policy; minor ones at 1.5° to 2.5°, skipped where a major already holds. Minor bodies from JPL Horizons heliocentric vectors, Lilith as mean apogee. Dominance is an AsterNym score — rulerships, dispositors, aspect count — so other methods can name a different leader.

Portrait by (Kirk Stauffer), CC BY-SA 3.0, via Wikimedia Commons.

The same Sia at Wikipedia, siamusic.net, IMDb, Instagram, X, TikTok, YouTube and MusicBrainz.

Roster last reviewed September 10, 2026. The full method: how it works.

Traditional interpretations, not facts or predictions, and not endorsed by Sia.

Quick answers about Sia’s chart

How old is Sia?
Sia is 50 years old, born December 18, 1975 in Adelaide, Australia.
What zodiac sign is Sia?
Sia is a Sagittarius: born December 18, 1975, which puts the Sun in Sagittarius for the whole of that day.
What is Sia's Chinese zodiac animal?
The Rabbit, with the Wood element, from the Chinese lunar year of the December 18, 1975 birth.
What is Sia's Life Path number?
Life Path 7, calculated in numerology.
What is Sia's Chiron sign?
Chiron in Aries at 23°. Position from JPL Horizons.
Where is Sia's Black Moon Lilith?
Mean Black Moon Lilith in Aries at 5°. This is the mean lunar apogee; the osculating Lilith some tables use can sit up to 30° away.
What is Sia's dominant planet?
Jupiter, on AsterNym's dominance score (7 points: rules the Sun sign, Sagittarius; disposes Sun, Neptune; 2 major aspects). Pluto is second and Mercury third. Other sites weight rulerships and aspects differently and can name a different leader.

More charts to explore