Hideki Yukawa

Physicist and university teacher · Japan · 1907–1981

Aquarius 2.0° · born January 23, 1907
Birth time unknown

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

The day, read honestly

The Moon stands at 21.5° Taurus, 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 Azabu—a reference instant, not a birth time. No houses, rising sign, angles, or sect were computed.

Where the Sun actually stood

Aquarius, but precisely: 2.0°, first decan, 0°–10°, under Saturn in the triplicity scheme. The tradition kept these divisions because thirty degrees is a long street.

The fast planets

Day to day the chart speaks through Mercury in Capricorn (24.9°), Venus in Sagittarius (16.5°), Mars in Scorpio (22.2°): a mind that trusts the measured and the checked, taste that runs toward the vivid and the immediate, drive that moves on certainty and current.

The angles that hold

Start where the chart is tightest — Uranus opposition Neptune, 0.7° of separation. The scheme reads an opposition as a axis to walk, not a fight to win: the chart keeps both ends lit. Behind it, Saturn trine Neptune at 1.7°, and Saturn sextile Uranus at 2.4° — both still well inside the orbs this site uses. Each angle here was measured at every hour of the civil day and held; whatever the missing clock said, this geometry was in it.

Figures in the geometry

The day-stable angles form no closed figure. Nothing funnels; each aspect is its own negotiation, which the tradition reads as a chart of separate treaties rather than one campaign.

The classical map

Four planets here sit in a sign the classical scheme scores. The Sun in Aquarius at 2.0° is in detriment — the planet opposite its home, working against the grain; the Moon in Taurus at 21.5° is in exaltation — the tradition’s honoured-guest placement, working at its best; Mars in Scorpio at 22.2° is in domicile — the planet in its own sign, running on home rules; Jupiter in Cancer at 2.8° is in exaltation. None of these labels is a verdict on a person; they describe how a function is situated, nothing more.

The shape of the whole

The certain ground: 10 placements whose signs hold for the whole day, dividing 4 water, 3 earth, 2 air, 1 fire by element and 4 cardinal, 3 fixed, 3 mutable by mode. A water emphasis reads as porousness: the room is registered whole, long before it is analysed in parts. Jupiter, Neptune and Pluto were retrograde — apparent retreat against the stars, which the old reading takes as a function working from the inside first.

The Moon, and how far it can move

The Moon stayed in Taurus for the whole of that day at the birthplace, covering 12.0° 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 21.5°.

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

Source article: Hideki Yukawa · revision 1365114381
Wikidata: Q155777 · revision 2515843444
Retrieved: 2026-07-26T18:47:50.947Z
Birth date: 1907-01-23 · day precision · proleptic-gregorian
Birthplace: Azabu, Japan · Q793432
Coordinates: 35.6546, 139.7371 · from Azabu
Reference instant: 1907-01-23T03:00:00.000Z · noon civil time, not a birth time
Omitted: Rising sign, houses, angles, and sect—all require a birth time.
Unknown-time range: Moon travelled 11.96° · The Moon remained in Taurus throughout that civil day.
Engine: astronomy-engine (repository dependency) · @zodiacs/engine/internal/math
Portrait: Nobel Foundation archive · public domain · Wikimedia Commons

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