

People · sourced chart

Sylvia Plath
Poet and draftsperson · United States · 1932–1963
Birth date sourced. Birth time unknown.Moon sign undetermined. The Moon crossed from Virgo into Libra during that day. Everything below uses only what the complete civil day settles.
The day, read honestly
Tightest of all, Venus holds a sextile to Pluto at 0.1° — close enough to weld taste to depth. A sextile pays out only on effort; the scheme calls it opportunity rather than gift.
Positions at 12:00 civil time in Boston—a reference instant, not a birth time. No houses, rising sign, angles, or sect were computed.
Where the Sun actually stood
4.1° of Scorpio is the Sun's exact seat — first decan, 0°–10°, sub-ruled by Mars in the old triplicity scheme. The degree is the address; the sign is only the street.
The fast planets
Day to day the chart speaks through Mercury in Scorpio (21.3°), Venus in Virgo (23.5°), Mars in Leo (21.2°): thought steeped in tone and memory, attraction that grows by reliability, effort spent in bursts and openings.
The angles that hold
The tightest geometry in the chart puts Venus a sixth of the circle apart from Pluto, 0.1° off exact. A sextile is an offer rather than a given: available when it is reached for, quiet when it is not. Behind it, Mercury square Mars at 0.1°, and Mars trine Uranus at 0.3° — both still well inside the orbs this site uses. Every angle named here holds for the whole of that day at the birthplace, so an unknown hour cannot take it away.
Figures in the geometry
The Moon makes no major aspect that survives the day; the old reading gives such a planet autonomy — it acts alone, sometimes loudly.
The classical map
Read against the old dignities, three placements stand out. Venus in Virgo at 23.5° is in fall — the tradition’s uphill placement, strength earned rather than given; Jupiter in Virgo at 16.0° is in detriment — the planet opposite its home, working against the grain; Saturn in Capricorn at 28.6° is in domicile — the planet in its own sign, running on home rules. Dignity is a statement about conditions, not about worth.
The shape of the whole
Of the 9 placements whose signs hold for the whole day: 4 in earth, 3 in water, 2 in fire by element, 3 fixed, 3 mutable, 3 cardinal by modality. Earth weights a chart toward the material and the durable — what can be built, kept, and relied on. No settled placement falls in air — an absence the tradition treats as information, not as a defect. Uranus and Pluto were retrograde — apparent retreat against the stars, which the old reading takes as a function working from the inside first.
The Moon is genuinely open
The Moon crossed from Virgo into Libra during that day at the birthplace, travelling 14.8° between one midnight and the next. A birth time would settle it in a second; there isn’t one. So the Moon stays unnamed here — the alternative is a guess wearing the clothes of a fact.
Where this comes fromSources, revisions, and exactly what this chart assumes
- Source article
- Sylvia Plath · revision 1365840707
- Wikidata
- Q133054 · revision 2520646042
- Retrieved
- 2026-07-26T18:47:50.947Z
- Birth date
- 1932-10-27 · day precision · proleptic-gregorian
- Birthplace
- Boston, United States · Q100
- Coordinates
- 42.3603, -71.0578 · from Boston
- Reference instant
- 1932-10-27T17:00:00.000Z · noon civil time, not a birth time
- Omitted
- Rising sign, houses, angles, and sect—all require a birth time.
- Unknown-time range
- Moon travelled 14.75° · Moon sign undetermined. The Moon crossed from Virgo into Libra during that day.
- Engine
- astronomy-engine (repository dependency) · @zodiacs/engine/internal/math
- Portrait
- Giovanni Giovannetti/Grazia Neri · public domain · Wikimedia Commons
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