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Portrait of Willem Einthoven

Willem Einthoven

Willem Einthoven (born May 21, 1860, Semarang, Indonesia; died 1927), was a Dutch physiologist. Einthoven served as rector magnificus of Leiden University. Einthoven's honours include Nobel Prize in Physiology or Medicine, National Inventors Hall of Fame and Foreign Member of the Royal Society.

Willem Einthoven’s zodiac sign was Taurus or Gemini (the Sun changed sign that day, and no documented birth time settles which), Chinese zodiac was Metal Monkey, with Life Path 5 in numerology.

Your match with Willem

Free, no account, stays on this device. Add a birth time later.

How common is the name Willem in the U.S.?

#2601

US rank in 2025

~2,840

Americans share it since 1916

2003

its peak year

US records hold Willem from 1916 onward, though not for 1880 — fewer than five that year, which the SSA does not publish. 2003 was its busiest.

US Social Security Administration public records

What Willem’s name adds up to

Worked from the name as published, letter by letter.

6

Expression · taking responsibility

3

Soul Urge · being heard

3

Personality · bright, quick

The name opens on W (5) and closes on M (4). The value it repeats most is 5, which numerology reads as movement.

Pythagorean letter values · A=1 to I=9, then J=1 again

Willem’s lucky numbers, colours and stones

Traditional correspondences, calculated not chosen.

Lucky numbers

5 · 4 · 9

Lucky colours

White & Gold

Lucky day

—

Direction

← West

Season

autumn

Stones

Emerald, Your planetary stone, Rutilated Quartz

Flower constellation

🌿 Lily of the Valley · 🤍 White Camellia

Ivory · Silver

The record

What sets Willem apart

Andrei Sakharov (1921) and The Notorious B.I.G. (1972) share the birthday in another year, so the sun sits where it sits here.

What the chart says

Willem, according to the stars

How Willem wants to be loved

Willem wants to be loved like home. Venus in Cancer needs to feel safe before it feels anything else, and then it feels everything. Remember the small things, meet the family, make the tea. Willem gives care in a hundred quiet ways and needs to know it is noticed. Consistency is the romance.

How Willem creates

How Willem makes things happen: they find the gap and grow through it. A Yin Wood day master is the vine, flexible, quietly relentless, better at working around a wall than at knocking it down. Willem creates by adapting, by connecting people, by making the awkward thing fit. Underestimate them and you will look up one day to find them everywhere.

Instinct

Instinct: Willem is witty and inventive, a Monkey year, and their gut reaction is to play with the problem. Clever, funny, curious, a little mischievous, and quick to land on their feet. The Metal year sharpens it: principled, determined, clear about what is right.

Purpose

Purpose: Life Path 5 is the free spirit. Willem is here to explore, to change, to taste everything and report back. Adventure, variety and freedom are not distractions from their purpose, they are it. The lesson is choosing, sometimes, and staying.

Triggers

Triggers: incompetence, and disrespect. Mars in Capricorn means Willem does not waste energy on anger; they use it. Controlled, strategic, relentless, the person who will outlast the problem. Cold when crossed, and quietly forgiving once you have earned it back.

Computed from Willem's birth date. Working below.

✦ A real star from their birth night

Dedicate a star to Willem Einthoven

Three stars chosen from the real sky above Semarang on the night they were born. Choose the story that connects you.

A 9 p.m. reference sky, not the birth minute. Dedications are commemorative and confer no ownership of stars.

The sky over Semarang that night

Computed for 6.99°S, 9 p.m. local sky.

Spica stood nearest the zenith over Semarang at 9 p.m. that evening, 86.3° above the horizon in Virgo.

Of the 85 catalog stars above the horizon, Rigil Kentaurus was the brightest.

Semarang sits at 7.0°S, low enough that no headline star is circumpolar: everything bright rises and sets there.

The Moon, 1% lit at new moon, had already set; the Sun sat 48° below the horizon.

How unusual Willem's chart is

Chart pattern score

37 / 100 · Quietly distinctive

1 unaspected planet · 1 planet at a critical degree · A leaning bowl

An AsterNym index built from stelliums, yods, grand crosses and chart shape. It is not a population percentile, and a high score is not a better chart. Without a birth time the houses are left out of it.

Score your own chart →

The quick version

Taurus or Gemini Sun

Willem Einthoven was born on a day when the Sun moved from Taurus into Gemini. Without a documented birth time, the exact Sun sign cannot be determined reliably, so AsterNym shows both rather than choosing one.

Metal Monkey

Clever, playful, never bored.

Willem Einthoven was born on May 21, 1860, which falls in a Metal Monkey year of the Chinese calendar.

What the Monkey means →

Life Path 5

Change finds them anyway.

Willem Einthoven's birth date, May 21, 1860, reduces to Life Path 5 under the numerology method AsterNym uses.

What Life Path 5 means →

What stands out in Willem’s chart

Willem’s birth chart

Reference chart · birth time unknown

Positions are checked across the whole date. The Moon ranges from 28° to 12° Taurus or Gemini depending on the hour.

AriesTaurusGeminiCancerLeoVirgoLibraScorpioSagittariusCapricornAquariusPisces123456789101112Sun opens doors for Neptune · Sextile, 1.4° orbMoon fuses with Uranus · Conjunction, 2° orbMercury opens doors for Venus · Sextile, 2.7° orbMars opens doors for Neptune · Sextile, 2.7° orbMercury fuses with Pluto · Conjunction, 3.9° orbMars faces off with Jupiter · Opposition, 4° orbSun flows with Mars · Trine, 4.1° orbSun fuses with Moon · Conjunction, 5° orbSun in Gemini · 0°18′☉0°Moon in Gemini · 5°19′☽5°Mercury in Taurus · 12°27′☿12°Venus in Cancer · 15°11′♀15°Mars in Capricorn · 26°12′♂26°Jupiter in Cancer · 22°13′♃22°Saturn in Leo · 20°00′♄20°Uranus in Gemini · 7°21′♅7°Neptune in Pisces · 28°56′♆28°Pluto in Taurus · 8°31′♇8°

No birth time, so the houses are a solar chart: the Sun’s sign counts as house 1.

Tap a planet, a sign, a house, an aspect line or an element to see what it means and what sits in it.
Lines drawn
Conjunction 0°
Sextile 60°
Square 90°
Trine 120°
Opposition 180°

Placements

Tap one to light it on the wheel.

The working: aspects, Chiron and the asteroids, dominant planets and configurationsshow

Aspects across every possible birth time

  • stableSunsextileNeptune0.9° to 1.8° orb

    Willem’s core identity opens doors for their imagination. Nothing happens until someone makes the first move.

  • stableMercurysextileVenus2.3° to 3.2° orb

    Willem’s mind opens doors for their affections. An easy alliance, and it pays off when it is used.

  • stableMarssextileNeptune2.6° to 2.9° orb

    Willem’s drive opens doors for their imagination. Nothing happens until someone makes the first move.

  • stableMercuryconjunctionPluto3.1° to 4.8° orb

  • stableSuntrineMars3.8° to 4.4° orb

  • stableMarsoppositionJupiter3.9° to 4.0° orb

  • stableSunconjunctionUranus6.6° to 7.5° orb

  • stableJupitertrineNeptune6.6° to 6.8° orb

  • stableVenusconjunctionJupiter6.7° to 7.4° orb

  • possibleMoonconjunctionUranusorb from 0.0° to 8.5° depending on birth time

  • possibleSunconjunctionMoonorb from 0.1° to 11.3° depending on birth time

  • possibleMoonsextileNeptuneorb from 0.1° to 13.1° depending on birth time

Chart signature

Elements

  • Fire1 of 10
  • Earth3 of 10
  • Air3 of 10
  • Water3 of 10

Modalities

  • Cardinal3 of 10
  • Fixed3 of 10
  • Mutable4 of 10

Counted across the ten planets by sign.

Willem’s Chiron, Ceres, Eros, Hygiea and Lilith

What astrologers make of these five, at noon values.

  • ⚷ ChironAquarius 27°38′ (moves 0.01° over the day)

    centaur (2060) · the wound and what is learnt from it

  • ⚳ CeresTaurus 10°42′ (moves 0.40° over the day)

    dwarf planet (1) · how a person nurtures and wants to be nurtured

  • ♡ ErosTaurus 27°08′ (moves 0.84° over the day)

    near-Earth asteroid (433) · what draws them and how they desire

  • ⚕ HygieaVirgo 14°32′ (moves 0.12° over the day)

    main-belt asteroid (10) · health, routine and what keeps them well

  • ⚸ Black Moon LilithPisces 12°30′ (moves 0.11° over the day)

    mean lunar apogee · the part that refuses to be tamed

Aspects to the asteroids and Lilith

  • Black Moon Lilith sextile Mercury 0.1°
  • Hygiea sextile Venus 0.6°
  • Eros trine Mars 0.9°
  • Ceres conjunction Mercury 1.7°
  • Eros sextile Neptune 1.8°
  • Hygiea trine Mercury 2.1°
  • Ceres conjunction Pluto 2.2°
  • Chiron square Sun 2.7°
  • Black Moon Lilith trine Venus 2.7°

Willem’s dominant planets

  1. 1. ☿ Mercury7 pts

    rules the Sun sign, Gemini; disposes Sun, Uranus; 2 major aspects

  2. 2. ♆ Neptune5 pts

    in its own sign, Pisces; 3 major aspects

  3. 3. ☉ Sun4 pts

    disposes Saturn; 3 major aspects

Configurations in Willem’s chart

No stellium, grand trine, T-square, grand cross, yod or kite — the common case.

Minor aspects

semi-sextile, semi-square, quintile, sesquiquadrate, biquintile, quincunx.

  • Sun semi-square Venus 0.1°
  • Jupiter semi-square Uranus 0.1°
  • Saturn quintile Uranus 0.6°
  • Uranus semi-sextile Pluto 1.2°
  • Mercury semi-square Neptune 1.5°

More people like Willem

Other physicians

Born in Indonesia

More charts like Willem’s

Born in Monkey years

Year of the Monkey →

Also born on May 21

Fellow Yin Wood day masters

What a Day Master is →

Famous people with Life Path 5

Life Path numbers explained →

From the journal: Yin and yang: the idea underneath everything else · How accurate is Western astrology?

Willem’s cards

Computed from May 21, 1860. Tap to flip.

Birth tarot card

The Hierophant

Chinese zodiac

Monkey 申

Life Path

5 · Explorer
The working: BaZi pillarsshow

BaZi pillars

Day Master: yin Wood.

Year

庚

yang Metal

申

Monkey

Metal

roots & early life

Month

辛

yin Metal

巳

Snake

Fire

work & drive

Day

day master

乙

yin Wood

丑

Ox

Earth

you & partnership

Where this comes from, and how it is worked out

Willem’s birth date and birthplace come from Wikidata Q189488 (CC0), as do the occupations, works and awards above. With no documented birth time this chart is rated X on the Rodden scale, the astrological convention for how well evidenced a birth time is. The banner above lists what that leaves out. Entries are matched to Wikidata by entity id rather than by name, kept at day precision, and dropped where sources disagree on the date.

Tropical zodiac, whole-sign houses, modern rulers. Aspects on the western_v1 orb policy; minor ones at 1.5° to 2.5°, skipped where a major already holds. Minor bodies from JPL Horizons heliocentric vectors, Lilith as mean apogee. Dominance is an AsterNym score — rulerships, dispositors, aspect count — so other methods can name a different leader.

Portrait by Unknown, CC BY 4.0, via Wikimedia Commons.

The same Willem Einthoven at Wikipedia.

Roster last reviewed September 10, 2026. The full method: how it works.

Traditional interpretations, not facts or predictions, and not endorsed by Willem Einthoven.

Quick answers about Willem Einthoven’s chart

What zodiac sign was Willem Einthoven?
Willem Einthoven was born on a day when the Sun moved from Taurus into Gemini. Without a documented birth time, the exact Sun sign cannot be determined reliably, so AsterNym shows both rather than choosing one.
What was Willem Einthoven's Chinese zodiac animal?
The Monkey, with the Metal element, from the Chinese lunar year of the May 21, 1860 birth.
What was Willem Einthoven's Life Path number?
Life Path 5, calculated in numerology.
What was Willem Einthoven's Chiron sign?
Chiron in Aquarius at 27°. Position from JPL Horizons.
Where was Willem Einthoven's Black Moon Lilith?
Mean Black Moon Lilith in Pisces at 12°. This is the mean lunar apogee; the osculating Lilith some tables use can sit up to 30° away.
What was Willem Einthoven's dominant planet?
Mercury, on AsterNym's dominance score (7 points: rules the Sun sign, Gemini; disposes Sun, Uranus; 2 major aspects). Neptune is second and Sun third. Other sites weight rulerships and aspects differently and can name a different leader.

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