Born: December 18, 2001, 12:17 PM local time, Los Angeles, California, USA. Source: Astro-Databank, Rodden rating AA.
The AA rating means the time comes from a birth certificate or birth record, so the rising sign, the Midheaven and the houses below can be taken at face value. Open Billie Eilish's chart on Astrolas alongside this read.
One feature splits the whole chart in two. The Sun, Venus and Pluto all sit in lSagittarius, all in the 9th house. The Moon, Uranus and Neptune all sit in xAquarius, all in the 11th house. Six of her ten planets, divided evenly between a house of belief and a house of friendship, with almost nothing landing anywhere else.
Sun, Venus and Pluto in Sagittarius, house 9
In order: Venus at 20ยฐ36', Sun at 26ยฐ59', and Pluto at 15ยฐ33'. All Sagittarius, all 9th house. Venus and Pluto are also conjunct on their own, with an orb of 5ยฐ04'.
The Astrolas library reads the Sagittarius Sun as optimistic and restless, with a thirst for experience and wide horizons over a safe, small corner, and a weak spot for promising big and losing patience with detail. Its 9th-house note calls knowledge the main driving force in life, with higher education, travel and a personal set of ethical principles running through everything. Venus in Sagittarius loves with an adventurous, enthusiastic spirit, drawn to novelty, caught between wanting attachment and needing freedom, and sociable enough to draw in influential friends. PPluto in Sagittarius is generational, the library says, marking the stretch from 1995 to 2008 when the world entered the Information Age; its 9th-house placement personalizes that into someone who questions and rebuilds a belief system from the inside before sharing it, influencing others through quiet, deep guidance rather than open confrontation.
The Venus-Pluto conjunction reads as magnetism with an edge of power and mystery, pulling in both money and admiration, backed by real artistic and financial ability, with a shadow of possessiveness and difficulty trusting.
She swept four of the top categories at the 2020 Grammys, including Album of the Year and Record of the Year, at 18. "What Was I Made For?," written for the 2023 film Barbie, is built around exactly the kind of question the 9th house asks, and it won the Oscar for Best Original Song in 2024.
Moon, Uranus and Neptune in Aquarius, house 11
The Moon sits at 13ยฐ02' Aquarius, Neptune at 7ยฐ01' Aquarius, and Uranus at 21ยฐ54' Aquarius. All three fall in the 11th house.
The library reads the Aquarius Moon as feelings processed through intellect, needing a little distance to understand what she's feeling, with friendship ranking as high as any romantic bond. Its 11th-house note says close friends are treated like family, some arriving for a season and leaving once their purpose is done, with a pull toward groups and organizations, often in a leading role. IUranus in Aquarius is generational, the library says, marking bold and groundbreaking ideas plus a strong humanitarian streak; its 11th-house placement makes it personal, describing someone who connects deeply with only a few truly like-minded people, whose "rebel against the old" happens quietly, more a correction from within than a public break. ONeptune in Aquarius is also generational, tied to a fervent drive for social justice and a sensitivity to the collective's pain; in the 11th house, the library adds a tendency to idealize friends and feel let down when reality doesn't match the picture, alongside real fulfillment through humanitarian and community-minded groups.
Her early career leaned hard into not looking like anyone else: oversized, shapeless clothing as a deliberate stance against being sexualized or judged on her body. Later she built the Overheated initiative into her 2022 tour, aimed at cutting plastic waste and emissions, and partnered with the hunger-relief group Support + Feed on tour sustainability.
Mercury conjunct MC in Capricorn, house 10
Mercury sits at 4ยฐ46' Capricorn, conjunct the Midheaven at 3ยฐ13' Capricorn, with an orb of 1ยฐ34'. Both fall in the 10th house.
The library reads this conjunction as a life where thoughts, ideas and plans revolve around career ambition and the drive to leave a mark on the world, with communication skill working as an all-or-nothing factor: writers, media figures and professional speakers show up often under this contact. The sign itself adds a practical, logical mind that works step by step, patient and persistent enough to reach leadership, with a dry sense of humor under a serious surface. The house note says education and communication carry real weight in the career path, though the route there can run through doubt and changes of direction before the right field settles into place.
Her songwriting voice, built in bedroom sessions with her brother and producer Finneas O'Connell, became distinct enough to be recognized industry-wide within a few years: spare arrangements, close-mic'd vocals, and lyrics that read as plainly as they're sung.
Mars in Pisces, house 12
Mars sits at 7ยฐ15' cPisces in the 12th house.
The library reads Mars in Pisces as action blended with emotion and imagination, gentle rather than forceful, highly absorbent of other people's moods, with real artistic creativity in music, writing or art as an outlet for what gets picked up from the surroundings. Its 12th-house note describes action energy that turns inward instead of outward: reluctance to take the initiative, a tendency to hold back what she wants to say, and compassion that shows up quietly rather than as a public stand.
"Ocean Eyes," written and produced with Finneas, wasn't made for an audience. It was built for a dance class routine and uploaded without any expectation of attention; it found one anyway and became the song that started her career.
Saturn in Gemini, house 2
Saturn sits at 10ยฐ15' retrograde in Gemini, in the 2nd house of money and self-worth.
The library reads Saturn in Gemini as quick intellect and sharp observation held together by discipline: clear, concise expression, strong analysis, and a gift for organizing and finding practical solutions, alongside a real passion for ongoing learning. Its downside, the library notes, is a pull toward skepticism or a harder edge in how she talks to people. The 2nd-house note splits two patterns: some people with Saturn retrograde here carry deep financial anxiety, while others choose a frugal, simple life to feel secure, and the lesson in both cases is to trust that wealth builds slowly and steadily rather than all at once.
She started uploading music to SoundCloud under her own name at 13, building a following and then a living from it well before any label was involved.
Ascendant in Aries, house 1
The Ascendant sits at 5ยฐ24' Aries, house 1, with the Descendant at 5ยฐ24' Libra, house 7. The Astrolas library doesn't yet have an entry for Aries rising itself, and the three aspects reaching the Ascendant from elsewhere in the chart, Mercury square (0ยฐ38'), Neptune sextile (1ยฐ37') and Saturn sextile (4ยฐ52'), also have no library text. So this article won't build a reading on any of them.
What the chart adds up to
The chart doesn't explain the songwriting or the voice. What it shows is a life split almost evenly between a house of belief and a house of belonging: Sun, Venus and Pluto asking what's true, Moon, Uranus and Neptune asking who's really in her corner, and very little energy left over for anything in between.
Open Billie Eilish's chart on Astrolas, find both three-planet groups on the wheel, then compare it with a chart you know.
Questions people ask
What is Billie Eilish's rising sign?
Aries, at 5ยฐ24', based on her AA-rated birth time of 12:17 PM. The Astrolas library doesn't yet have an entry for this placement on its own.
What are Billie Eilish's Sun and Moon signs?
Her Sun is at 26ยฐ59' Sagittarius in the 9th house, conjunct Venus and Pluto. Her Moon is at 13ยฐ02' Aquarius in the 11th house, alongside Uranus and Neptune.
What is the strongest feature of her chart?
Two three-planet groups: Sun, Venus and Pluto in Sagittarius in the 9th house, and Moon, Uranus and Neptune in Aquarius in the 11th house. Six of her ten planets sit in just two signs and two houses.