

People · sourced chart

Sophie Germain
Mathematician and philosopher · France · 1776–1831
Birth date sourced. Birth time unknown.The Moon remained in Virgo throughout that civil day. Everything below uses only what the complete civil day settles.
The day, read honestly
The Sun stands at 12.3° Aries, in exaltation — the tradition’s honoured-guest placement, working at its best. Of everything the chart can be read for without a birth time, that is the loudest single fact in it.
Positions at 12:00 civil time in Paris—a reference instant, not a birth time. No houses, rising sign, angles, or sect were computed.
Where the Sun actually stood
At the noon reference the Sun sits 12.3° into Aries — the second decan, which the old scheme hands to the Sun. Same sign, different decan, different chart.
The personal registers
Closer in, Mercury stands at 14.6° Pisces; Venus stands at 8.3° Pisces; Mars stands at 13.0° Aries. The tradition reads thought steeped in tone and memory from Mercury, attraction that works by atmosphere from Venus, effort spent in bursts and openings from Mars.
The angles that hold
Nothing in the geometry sits closer than the Sun and Mars: 0.7° from an exact conjunction. The tradition stops reading a conjunction as two things. It is one appetite with two names, and it moves together or not at all. Behind it, Mercury square Jupiter at 1.8°, and Jupiter trine Saturn at 2.0° — 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.
The standing structure
No closed figure — no grand trine, t-square, or grand cross — holds among the day-stable angles. The chart distributes its tension pair by pair rather than through one standing structure.
The classical map
Read against the old dignities, six placements stand out. The Sun in Aries at 12.3° is in exaltation — the tradition’s honoured-guest placement, working at its best; Mercury in Pisces at 14.6° is in fall — the tradition’s uphill placement, strength earned rather than given; Venus in Pisces at 8.3° is in exaltation; Mars in Aries at 13.0° is in domicile — the planet in its own sign, running on home rules; Jupiter in Gemini at 16.4° is in detriment — the planet opposite its home, working against the grain; Saturn in Libra at 18.4° is in exaltation. None of this ranks anyone; dignity describes footing, and footing can be worked with.
The shape of the whole
Counting only the 10 placements whose signs hold for the whole day, the chart runs 3 earth, 3 air, 2 fire, 2 water by element and 6 mutable, 4 cardinal by modality. An earth emphasis reads as trust in the tangible: the plan matters less than whether the thing stands up. Saturn and Neptune were retrograde — the backward drift a body appears to make as the Earth overtakes it, read in the scheme as a function that reviews before it releases.
The Moon, and how far it can move
The Moon stayed in Virgo for the whole of that day at the birthplace, covering 11.8° between midnight and midnight. Whatever the unrecorded hour was, it happened inside one Moon sign — the degree floats, the sign holds. At the noon reference it stands at 13.4°.
Where this comes fromSources, revisions, and exactly what this chart assumes
- Source article
- Sophie Germain · revision 1365470964
- Wikidata
- Q7103 · revision 2517802776
- Retrieved
- 2026-07-26T18:47:50.947Z
- Birth date
- 1776-04-01 · day precision · proleptic-gregorian
- Birthplace
- Paris, France · Q90
- Coordinates
- 48.8567, 2.3522 · from Paris
- Reference instant
- 1776-04-01T11:50:39.000Z · noon civil time, not a birth time
- Omitted
- Rising sign, houses, angles, and sect—all require a birth time.
- Unknown-time range
- Moon travelled 11.83° · The Moon remained in Virgo throughout that civil day.
- Engine
- astronomy-engine (repository dependency) · @zodiacs/engine/internal/math
- Portrait
- s:fr:Auteur:Sophie Germain · public domain · Wikimedia Commons
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