Robin Williams Zodiac Sign & Birth Chart
Robin Williams is a Cancer, born July 21, 1951.
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- Sun
- Cancer
- Moon
- Pisces
- Rising
- Libra
Birth time: 12:00 (default, exact time not public)
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Birth chart quick facts
- Sun
- Cancer
- Moon
- Moon in Pisces
- Rising
- Libra
- Chinese zodiac
- Rabbit
- BaZi day master
- Water
- Birth time
- 12:00 (default, exact time not public)
- Birthplace
- Chicago, United States
Western + Eastern: Cancer Sun symbolism alongside the Chinese zodiac and BaZi day master. Birth date source: Wikidata.
East meets West. Robin Williams's Cancer Sun offers the Western astrological lens, while the Chinese zodiac Year of the Rabbit adds a year based cycle and Water names the BaZi day stem symbolism. These systems use different calendars and interpretive traditions, so this page places their keywords side by side as complementary cultural frameworks rather than treating them as interchangeable calculations.
Based on 12:00 default
BaZi day follows the 23:00 convention; someone born after 23:00 may have a different day element.
Interactive birth chart
Based on 12:00 default
Select a planet, house, sign, or aspect line to explore its reading.
Explore Robin Williams's placements
Select an item in the wheel or list to read its interpretation.
Water placements
Based on the 10 classic placements in this chart.
Tropical zodiac · Geocentric · True node · Placidus houses
About Robin Williams
Robin Williams was an American actor and comedian, born on July 21, 1951 in Chicago, United States.
Robin Williams's Sun sign is Cancer, a Water sign in astrology.
Their chart is calculated for 12:00 local time in Chicago because the exact birth time is not public.
Planet placements
Birth time: 12:00 (default, exact time not public)
| Planet | Sign | Degree | Retrograde |
|---|---|---|---|
| sun | Cancer | 28.12° | No |
| moon | Pisces | 8.03° | No |
| mercury | Leo | 21.96° | No |
| venus | Virgo | 10.15° | No |
| mars | Cancer | 11.86° | No |
| jupiter | Aries | 13.88° | No |
| saturn | Virgo | 27.85° | No |
| uranus | Cancer | 10.84° | No |
| neptune | Libra | 16.89° | No |
| pluto | Leo | 18.81° | No |
Houses and angles
Birth time: 12:00 (default, exact time not public)
Rising: Libra
House 1: Libra · House 2: Scorpio · House 3: Sagittarius · House 4: Capricorn · House 5: Aquarius · House 6: Pisces · House 7: Aries · House 8: Taurus · House 9: Gemini · House 10: Cancer · House 11: Leo · House 12: Virgo
Strongest aspects
Sun + Saturn sextile · 0.27° orb
Sun (identity) and Saturn (structure and responsibility) form a sextile: Their themes support one another, opening room for the relationship between these functions.
Venus + Uranus sextile · 0.69° orb
Venus (affection and values) and Uranus (change and independence) form a sextile: Their themes support one another, opening room for the relationship between these functions.
Mars + Uranus conjunction · 1.02° orb
Mars (drive and action) and Uranus (change and independence) form a conjunction: Their themes merge, combining the relationship between these functions.
Venus + Mars sextile · 1.71° orb
Venus (affection and values) and Mars (drive and action) form a sextile: Their themes support one another, opening room for the relationship between these functions.
Neptune + Pluto sextile · 1.92° orb
Neptune (imagination and ideals) and Pluto (intensity and transformation) form a sextile: Their themes support one another, opening room for the relationship between these functions.
Mars + Jupiter square · 2.02° orb
Mars (drive and action) and Jupiter (growth and perspective) form a square: Their themes create friction that can drive action around the relationship between these functions.
Elements, modalities & patterns
Elements: Fire 3 · Earth 2 · Air 1 · Water 4
Modalities: Cardinal 5 · Fixed 2 · Mutable 3
Detected patterns: Stellium in Cancer
Sun and Moon relationship
The Cancer Sun and Pisces Moon form a trine by sign: their intentions and instincts can work in an easy rhythm. In traditional astrology, this describes a link between outward purpose and immediate emotional responses.
These are traditional symbols for reflection, not claims about Robin Williams's private life.
Placement-by-placement reading
Sun in Cancer
Birth time: 12:00 (default, exact time not public) · Sun in the 10th house
Robin Williams's Sun in Cancer. They become more recognizably themselves by protecting what feels emotionally alive and rooted; this makes care, memory, belonging, and an inner sense of home central to how they pursue a self authored identity.
Robin Williams's Sun in House 10 touches career, public role, responsibility, and authority. It asks them to make a public contribution with integrity.
Moon in Pisces
Birth time: 12:00 (default, exact time not public) · Moon in the 5th house
Robin Williams's Moon in Pisces. Their emotional system settles by making room for mystery without losing contact with reality; this makes imagination, empathy, creativity, and permeable awareness central to how they pursue emotional safety.
Robin Williams's Moon in House 5 touches creativity, romance, play, children, and visible joy. It asks them to risk authorship and pleasure.
Mercury in Leo
Birth time: 12:00 (default, exact time not public) · Mercury in the 11th house
Robin Williams's Mercury in Leo. Their mind becomes clear by risking visible, wholehearted self expression; this makes creative authorship, warmth, and the right to take up space central to how they pursue a way to understand and articulate experience.
Robin Williams's Mercury in House 11 touches friendship, groups, collective projects, and the future. It asks them to place this energy in a community that can use it.
Venus in Virgo
Birth time: 12:00 (default, exact time not public) · Venus in the 11th house
Robin Williams's Venus in Virgo. Love and self worth deepen by making life more workable through attention and craft; this makes discernment, useful skill, and faithful refinement central to how they pursue love, ease, and self worth.
Robin Williams's Venus in House 11 touches friendship, groups, collective projects, and the future. It asks them to place this energy in a community that can use it.
Mars in Cancer
Birth time: 12:00 (default, exact time not public) · Mars in the 9th house
Robin Williams's Mars in Cancer. Their drive becomes clean by protecting what feels emotionally alive and rooted; this makes care, memory, belonging, and an inner sense of home central to how they pursue a clear route for desire and anger.
Robin Williams's Mars in House 9 touches belief, study, travel, publishing, and meaning. It asks them to test faith through lived experience.
Jupiter in Aries
Birth time: 12:00 (default, exact time not public) · Jupiter in the 7th house
Robin Williams's Jupiter in Aries. Growth becomes meaningful by initiating before certainty arrives; this makes the courage to begin, compete, and stand alone central to how they pursue growth and a meaningful horizon.
Robin Williams's Jupiter in House 7 touches partnership, agreements, attraction, and projection. It asks them to meet this quality in themselves and the other.
Saturn in Virgo
Birth time: 12:00 (default, exact time not public) · Saturn in the 12th house
Robin Williams's Saturn in Virgo. Maturity develops by making life more workable through attention and craft; this makes discernment, useful skill, and faithful refinement central to how they pursue earned security and authority.
Robin Williams's Saturn in House 12 touches solitude, dreams, unconscious patterns, and compassion. It asks them to reflect until this energy becomes conscious.
Uranus in Cancer
Birth time: 12:00 (default, exact time not public) · Uranus in the 9th house
Robin Williams's Uranus in Cancer. Freedom becomes real by protecting what feels emotionally alive and rooted; this makes care, memory, belonging, and an inner sense of home central to how they pursue freedom from a false script.
Robin Williams's Uranus in House 9 touches belief, study, travel, publishing, and meaning. It asks them to test faith through lived experience.
Neptune in Libra
Birth time: 12:00 (default, exact time not public) · Neptune in the 1st house
Robin Williams's Neptune in Libra. Their sensitivity becomes creative by learning themselves through equal encounter with another; this makes reciprocity, beauty, fairness, and thoughtful comparison central to how they pursue a lived connection to imagination and compassion.
Robin Williams's Neptune in House 1 touches identity, body, first impressions, and beginnings. It asks them to embody this energy directly.
Pluto in Leo
Birth time: 12:00 (default, exact time not public) · Pluto in the 11th house
Robin Williams's Pluto in Leo. Transformation begins by risking visible, wholehearted self expression; this makes creative authorship, warmth, and the right to take up space central to how they pursue truth beneath fear, attachment, and power.
Robin Williams's Pluto in House 11 touches friendship, groups, collective projects, and the future. It asks them to place this energy in a community that can use it.
Related birth charts
Other Cancer Suns
Frequently asked questions
What is Robin Williams's rising sign?
Robin Williams's Rising sign is Libra, calculated for 12:00 unless an exact birth time is public.
What is Robin Williams's birth time?
No exact time is public, so this page uses 12:00 local time as the default.
Is Robin Williams a Cancer?
Yes. Robin Williams's Sun sign is Cancer in the chart shown here.
How we calculate. Planet signs use the Timing natal chart engine (Swiss Ephemeris based). When an exact birth time is not public, the chart is calculated for 12:00 local time on the birth date, including Rising, houses, and angles; these placements can differ at another time. Publicly sourced birth times are marked reported, unverified.
Updated September 2026
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