Isabella Bird

Explorer and writer · United Kingdom · 1831–1904

Libra 21.4° · born October 15, 1831
Birth time unknown

Birth date sourced. Birth time unknown.The Moon remained in Aquarius throughout that civil day. Everything below uses only what the complete civil day settles.

The day, read honestly

Four of the ten placements whose signs are settled stand in Libra — the Sun, Mercury, Venus and Mars. The placements whose signs could change with an unknown hour are not counted. A cluster that size becomes the section the rest of the chart plays around.

Positions at 12:00 civil time in Boroughbridge—a reference instant, not a birth time. No houses, rising sign, angles, or sect were computed.

Where the Sun actually stood

The Sun sits at 21.4° Libra — the third decan, 20°–30°, which the tradition sub-rules by Mercury. Degrees matter more than the sign label here: two people born a fortnight apart share Libra and share almost nothing else about where the Sun actually stood.

Closer to the ground

Day to day the chart speaks through Mercury in Libra (3.9°), Venus in Libra (10.4°), Mars in Libra (14.4°): a mind at home in argument and pattern, taste led by wit and proportion, drive that argues its way forward.

The angles that hold

The tightest geometry in the chart puts Venus a third of the circle apart from Uranus, 0.2° off exact. A trine is an open channel. The two cooperate without being asked, which is exactly why it is easy to spend and easy to take for granted. Behind it, the Sun square Neptune at 0.9°, and Venus opposition Pluto at 1.0° — both still well inside the orbs this site uses. These are the day-proof angles — present at midnight, present at noon, present at the next midnight.

The standing structure

Saturn stands apart from every major angle the day held — the tradition reads an unaspected planet as a voice that speaks on its own schedule, unmodulated by the rest of the chart.

The classical map

Three planets here sit in a sign the classical scheme scores. The Sun in Libra at 21.4° is in fall — the tradition’s uphill placement, strength earned rather than given; Venus in Libra at 10.4° is in domicile — the planet in its own sign, running on home rules; Mars in Libra at 14.4° is in detriment — the planet opposite its home, working against the grain. The old table grades terrain, not talent — a placement in fall works uphill, nothing more.

The shape of the whole

Counting only the 10 placements whose signs hold for the whole day, the chart runs 7 air, 2 earth, 1 fire by element and 6 cardinal, 3 fixed, 1 mutable by modality. Air runs on comparison and connection — the pattern noticed first, the feeling filed second. No settled placement falls in water — an absence the tradition treats as information, not as a defect. Venus, Uranus and Pluto were retrograde — apparent backward motion from where the Earth sits, which the tradition reads as a function turned inward before it is turned out.

The Moon, and how far it can move

The Moon stayed in Aquarius for the whole of that day at the birthplace, covering 12.3° between midnight and midnight. Fast enough that its degree is approximate, slow enough that its sign is not in doubt. At the noon reference it stands at 8.2°.

Where this comes fromSources, revisions, and exactly what this chart assumes

Source article: Isabella Bird · revision 1357875537
Wikidata: Q288210 · revision 2517647640
Retrieved: 2026-07-26T18:47:50.947Z
Birth date: 1831-10-15 · day precision · proleptic-gregorian
Birthplace: Boroughbridge, United Kingdom · Q2569056
Coordinates: 54.0950, -1.3980 · from Boroughbridge
Reference instant: 1831-10-15T12:01:15.000Z · noon civil time, not a birth time
Omitted: Rising sign, houses, angles, and sect—all require a birth time.
Unknown-time range: Moon travelled 12.34° · The Moon remained in Aquarius throughout that civil day.
Engine: astronomy-engine (repository dependency) · @zodiacs/engine/internal/math
Portrait: G.P. Putnam's Sons · public domain · Wikimedia Commons

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