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Portrait of Edsger W. Dijkstra

Edsger W. Dijkstra

Edsger W. Dijkstra (born May 11, 1930, Rotterdam, Netherlands; died 2002), was a Dutch computer scientist. Dijkstra is best remembered for smoothsort, shunting-yard algorithm and banker's algorithm. Dijkstra's honours include Turing Award, C&C Prize and Fellow of the British Computer Society.

Edsger W. Dijkstra’s zodiac sign was Taurus, and in the Chinese zodiac they were a Metal Horse, with Life Path 2 in numerology.

How compatible are you with Edsger W. Dijkstra?

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Your result includes:

  • · Your compatibility percentage
  • · What attracts you to each other
  • · What you would bring to the match
  • · Where you might clash
  • · Whether you share lucky numbers, colours, stones or seasons

Edsger W. Dijkstra’s AsterNym identity

The Gilded Guardian

Metal represents precision. Metal-led charts are associated with standards, boundaries, discernment and the ability to remove what is unnecessary. Life Path 2 represents partnership: cooperation, diplomacy and the ability to work with different kinds of people.

Metal Day Master (BaZi) × fixed Sun × Life Path 2, on the emotional plane.

Edsger’s lucky numbers, colours and stones

Traditional correspondences calculated from AsterNym’s astrology, wuxing and numerology system.

Lucky numbers

2 · 3 · 7

Lucky colours

White & Gold

Lucky day

Friday

Direction

← West

Season

autumn

Stones

Emerald, Diamond, Rutilated Quartz

Flower constellation

🌿 Lily of the Valley · 🌹 Blush Rose · 🤍 White Camellia

Ivory · Blush · Silver

The same wuxing & numerology correspondences as your own print. One tradition, read for everyone

What the chart says

Edsger, according to the stars

Core essence

Edsger is the steady one, the person whose yes means yes and whose Sunday looks the same as it did last year because it was a good Sunday. The core of Edsger is a deep loyalty to what is real: good food, a good bed, people who show up. They move slowly on purpose. Once they have decided something, it is decided, and that is a comfort to everyone around them.

How Edsger wants to be loved

Edsger wants to be loved in conversation. Venus in Gemini falls for a mind first: the banter, the shared joke, the person who keeps them guessing a little. Attention is the love language and boredom is the enemy. Keep talking to Edsger like it is the first week, and it can feel like it for years.

How Edsger creates

How Edsger makes things happen: they refine it until it shines. A Yin Metal day master is jewellery, precise, aesthetic, particular about the finish. Edsger creates by polishing, by taste, by knowing exactly which detail makes the whole thing sing. Sensitive to being handled roughly, and worth handling well.

Instinct

Instinct: Edsger is free-spirited, a Horse year, and their gut reaction is to run toward the new thing. Energetic, warm, popular, honest to a fault, and impossible to keep indoors. The Metal year sharpens it: principled, determined, clear about what is right.

Purpose

Purpose: Life Path 2 is the peacemaker. Edsger is here to bring people together, to feel the undercurrents and smooth them, to be the reason a room works. Sensitive, diplomatic, quietly essential, and learning that their own needs count too.

Triggers

Triggers: being told to wait. Mars in Aries means Edsger gets angry fast, says it, and is over it before you have finished being hurt. The temper is honest and short. Give them a clear path and something to fight for, and all that heat turns into drive.

Computed from Edsger's birth date, not guessed. The full working is below.

Where Edsger sits

Six lines. Tap where you sit on each.

Edsger’s dot is placed from the chart. Yours is wherever you put it.

Intimate circleWide network
Edsger

You likely balance a tight inner circle with a wider orbit you dip into.

DeliberateSpontaneous
Edsger

You likely think things through before you act. Haste rarely feels safe.

PrivateExpressive
Edsger

You likely share some feelings openly and keep others to yourself.

Cool off firstResolve immediately
Edsger

You likely handle some friction right away and let smaller things settle.

PracticalVisionary
Edsger

You may favor what's proven and workable over the untested idea.

Gradual trustImmediate chemistry
Edsger

You likely warm up at a pace that depends on the person and moment.

Tap each line where you sit.

All twelve of yours, from your birth date →

✦ A real star from their birth night

Dedicate a star to Edsger W. Dijkstra

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

Edsger’s birth-night reference starPhecdablue-white · Ursa MajorPhecda, in Ursa Major. A blue-white star, 86.7° above the horizon at 9 p.m. local time, the bright star nearest the zenith.Dedicate Phecda →The warmest lightCapellagolden yellow · AurigaCapella, in Auriga. A golden yellow star, 31.7° above the horizon at 9 p.m. local time, the warmest-toned bright star up that night.Dedicate Capella →

No public birth time is available, so this is a 9:00 p.m. reference evening sky for that date and place. It is connected to the night of birth; it is not the sky at the birth minute, and no other reading on this page uses that time. Dedications are commemorative AsterNym records and do not rename or confer ownership of stars.

Edsger W. Dijkstra at a glance

Taurus Sun

Stubborn is the polite word.

Edsger W. Dijkstra's Sun was in Taurus for the whole of May 11, 1930, so no birth time is needed to settle it. Traditional Taurus readings associate the sign with steadiness, sensory pleasure and things that last. Astrologers describe it as the fixed earth sign, ruled by Venus, and read it for loyalty, routine and a slow, deliberate pace. The corresponding tension is resistance to change, described in the tradition as stubbornness that presents itself as principle.

Metal Horse

Bright, restless, warm.

Edsger W. Dijkstra was born on May 11, 1930, which falls in a Metal Horse year of the Chinese calendar. Traditional Horse readings emphasise energy, independence and movement: a sign happiest with somewhere to go and impatient with fences. The Chinese almanacs describe the Horse as sociable, quick and difficult to keep in one place. The corresponding caution in the tradition is inconstancy, and the habit of leaving before the work of staying has begun.

Life Path 2

Diplomat by instinct.

Edsger W. Dijkstra's birth date, May 11, 1930, reduces to Life Path 2 under the numerology method AsterNym uses. Traditional Life Path 2 readings associate the number with cooperation, diplomacy and mediation: working alongside others and holding a group together. Numerologists describe it as the path of the partner, and read its influence as quiet rather than visible. The corresponding tension is self-effacement, with the caution that influence exercised through others can go uncounted, including by the person exercising it.

What stands out in Edsger’s chart

Edsger’s birth chart

Reference chart · birth time unknown

No documented birth time exists for Edsger W. Dijkstra, so the positions below are checked across the whole birth date, not fixed at noon. The Moon ranges from 27° to 11° Libra or Scorpio depending on the hour. The wheel's houses are a solar chart, counted from the Sun's sign, because the Ascendant needs a time.

AriesTaurusGeminiCancerLeoVirgoLibraScorpioSagittariusCapricornAquariusPisces123456789101112Venus opens doors for Uranus · Sextile, 0.1° orbVenus opens doors for Mars · Sextile, 0.5° orbMars fuses with Uranus · Conjunction, 0.6° orbMars grinds against Saturn · Square, 1.3° orbMercury grinds against Neptune · Square, 1.5° orbSaturn grinds against Uranus · Square, 1.9° orbSun opens doors for Pluto · Sextile, 2.3° orbMoon opens doors for Neptune · Sextile, 3.6° orbSun in Taurus · 20°01′☉20°Moon in Scorpio · 4°25′☽4°Mercury in Gemini · 2°20′ · retrograde☿℞2°Venus in Gemini · 13°21′♀13°Mars in Aries · 12°52′♂12°Jupiter in Gemini · 19°31′♃19°Saturn in Capricorn · 11°34′ · retrograde♄℞11°Uranus in Aries · 13°29′♅13°Neptune in Virgo · 0°48′ · retrograde♆℞0°Pluto in Cancer · 17°46′♇17°

No birth time, so the houses are a solar chart: the Sun’s sign counts as house 1. A documented time would place them from the Ascendant instead.

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

Stable aspects hold for any birth hour. Possible ones depend on the hour, so their orb is a range rather than a number. Orb policy western_v1.

  • stableVenussextileUranus0.0° to 0.7° orb

    Edsger’s affections open doors for their need for freedom.

  • stableVenussextileMars0.2° to 0.7° orb

    Edsger’s affections open doors for their drive.

  • stableMarsconjunctionUranus0.3° to 1.0° orb

    Edsger’s drive and need for freedom act as one. Wherever one goes, the other is already there.

  • stableMarssquareSaturn0.9° to 1.7° orb

    Edsger’s drive grinds against their discipline.

  • stableMercurysquareNeptune1.4° to 1.6° orb

    Edsger’s mind grinds against their imagination.

  • stableSunsextilePluto1.8° to 2.7° orb

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

  • stableSaturnsquareUranus1.9° to 2.0° orb

    Edsger’s discipline grinds against their need for freedom.

  • stableUranussquarePluto4.3° orb

    Edsger’s need for freedom grinds against their depths. The angle that irritates, and the one that teaches.

  • stableMarssquarePluto4.5° to 5.3° orb

    Edsger’s drive grinds against their depths. The friction is lifelong. Worked with, it builds real strength.

  • stableVenusconjunctionJupiter5.7° to 6.7° orb

    Edsger’s affections and growth act as one.

  • stableSaturnoppositionPluto6.2° orb

    Edsger’s discipline pulls against their depths from across the wheel. Two ends of one rope.

  • possibleMoonsextileNeptuneorb from 0.0° to 10.3° depending on birth time

Chart signature

Elements

  • Fire2 of 10
  • Earth3 of 10
  • Air3 of 10
  • Water2 of 10

Modalities

  • Cardinal4 of 10
  • Fixed2 of 10
  • Mutable4 of 10

Counted across the ten planets by sign.

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

Four minor bodies and the mean lunar apogee, placed in the same tropical zodiac as the planets above. None of these feed the chart signature, the rarity score or any ranking on this site: they are listed for readers who use them. Chiron, Ceres, Eros and Hygiea positions come from JPL Horizons; Black Moon Lilith is the mean apogee, the point most published Lilith tables use. The readings are the modern tradition’s, not AsterNym’s. Without a birth time the degree is the noon value and the day's movement is shown alongside it.

  • ⚷ ChironTaurus 14°33′ (moves 0.07° over the day)

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

    Chiron in Taurus is read as a wound around security and worth. The reading has Edsger building steadiness by hand after finding it could not be assumed.

  • ⚳ CeresCancer 2°49′ (moves 0.40° over the day)

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

    Ceres in Cancer sits in the sign the tradition links to it most closely: care as instinct. Edsger is read as someone for whom looking after others is not a decision.

  • ♡ ErosPisces 26°02′ (moves 0.57° over the day)

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

    Eros in Pisces is read as desire as dissolving: the wish to merge, and the trouble that follows. Edsger is read as easily moved and hard to pin.

  • ⚕ HygieaTaurus 13°23′ (moves 0.33° over the day)

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

    Hygiea in Taurus is read as health through routine, food and rest. Edsger is read as someone whose wellbeing tracks their habits closely.

  • ⚸ Black Moon LilithAquarius 9°34′ (moves 0.11° over the day)

    mean lunar apogee · the part that refuses to be tamed

    Black Moon Lilith in Aquarius is read as the outsider who chose it. The modern reading has Edsger at odds with the group on principle and rarely lonely about it.

Aspects to the asteroids and Lilith

Major aspects only, at a tight 3° orb. The Moon is left out because its position moves 13° across an untimed day.

  • Hygiea trine Saturn 1.8°
  • Ceres sextile Neptune 2.0°
  • Chiron trine Saturn 3.0°

Method: JPL Horizons heliocentric vectors, 1700–2100, cubic Hermite interpolation; geocentric, true ecliptic of date, tropical; geometric (no light-time or aberration); Lilith = mean lunar apogee (Chapront/Meeus mean perigee + 180°).

Edsger’s dominant planets

Scored from rulerships, dispositors and aspect count. Without a birth time there is no Ascendant or house to score, and the Moon's sign is left out where it could change with the hour.

  1. 1. ♀ Venus7 pts

    rules the Sun sign, Taurus; disposes Sun; 3 major aspects

  2. 2. ♂ Mars7 pts

    in its own sign, Aries; disposes Uranus; 4 major aspects

  3. 3. ☿ Mercury6 pts

    in its own sign, Gemini; disposes Venus, Jupiter, Neptune; 1 major aspect

A Venus-led chart is read as taste and relationship setting the terms: Edsger is read as choosing by what is beautiful and who is in the room.

How the score is built
  • Rules the Sun sign, Moon sign or Ascendant sign: 3 points each (traditional co-rulers of Scorpio, Aquarius and Pisces score half).
  • Sits in a sign it rules: 2 points.
  • Disposes another planet (that planet sits in a sign it rules): 1 point each.
  • Angular: 2 points in the first or tenth house, 1 point in the fourth or seventh (timed births only).
  • Every major aspect it makes: 1 point.

Dominance scoring is an AsterNym method. Other sites weight differently and can name a different leader for the same chart.

Configurations in Edsger’s chart

Closed shapes among the ten planets under the site’s one aspect-orb policy. The Moon is excluded without a birth time, so a shape that needs it is not claimed.

  • t square, the shape it makesT-square onto Mars · Saturn, Pluto, MarsAn opposition with a third planet squaring both ends. Read as a driving tension that resolves through the apex planet.
  • t square, the shape it makesT-square onto Uranus · Saturn, Pluto, UranusAn opposition with a third planet squaring both ends. Read as a driving tension that resolves through the apex planet.

Minor aspects

semi-sextile 30° (orb 2°), semi-square 45° (orb 2°), quintile 72° (orb 1.5°), sesquiquadrate 135° (orb 2°), biquintile 144° (orb 1.5°), quincunx 150° (orb 2.5°). Pairs already in a major aspect are not repeated. Moon excluded without a birth time.

  • Mercury semi-square Pluto 0.4°
  • Sun semi-sextile Jupiter 0.5°
  • Jupiter quintile Neptune 0.7°
  • Venus quincunx Saturn 1.8°
  • Jupiter semi-sextile Pluto 1.8°
  • Neptune semi-square Pluto 2.0°

Houses need a birth time. None is documented for Edsger W. Dijkstra, so no house placements are claimed for the planets or the minor bodies above.

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The Gilded Guardian explained →

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Life Path numbers explained →

From the journal: Chinese zodiac hours and your birth hour animal · Astrology vs astronomy: when and why they separated

Edsger’s cards

Every card is computed from May 11, 1930, none chosen. Tap one to flip it.

Birth tarot card

Judgement

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AsterNym identity card

The Gilded Guardian

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Western zodiac

Taurus

Tap to flip

Chinese zodiac

Horse 午

Tap to flip

♀ Ruled by Venus

Copper Cu

Tap to flip

The working: BaZi pillarsshow

BaZi pillars

Day Master: yin Metal.

Year

庚

yang Metal

午

Horse

Fire

roots & early life

Month

辛

yin Metal

巳

Snake

Fire

work & drive

Day

day master

辛

yin Metal

酉

Rooster

Metal

you & partnership

No birth time is on public record for Edsger W. Dijkstra, so this chart has three pillars rather than four. The hour pillar, the rising sign and the birth-sky star all need a time, and we would rather leave them out than invent one.

Where this data comes from

Edsger’s birth date and birthplace come from Wikidata Q8556, released under CC0, as do the occupations, works, teams and awards in the biography above. No documented birth time is available, so this chart is rated X on the Rodden scale, the astrological convention for how well evidenced a birth time is. Time-dependent results use a clearly labelled reference time and should not be read as their exact birth chart. Entries are matched to Wikidata by entity id rather than by name, kept only at day precision, and dropped where sources disagree on the date.

Portrait by Hamilton Richards, CC BY-SA 3.0, via Wikimedia Commons.

The same Edsger W. Dijkstra at Wikipedia.

Roster last reviewed September 10, 2026. Every entry is checked against its Wikidata record; where a person shares a name with someone else, the entity id is what settles which of them this is. What we will not tell you sets out the claims this site refuses to make.

These are traditional interpretations, not facts or predictions. AsterNym is not affiliated with or endorsed by Edsger W. Dijkstra.

Quick answers about Edsger W. Dijkstra’s chart

What zodiac sign was Edsger W. Dijkstra?
Edsger W. Dijkstra was a Taurus: born May 11, 1930, which puts the Sun in Taurus for the whole of that day. That is the Western star sign. In the Chinese zodiac they were a Metal Horse.
What was Edsger W. Dijkstra's Chinese zodiac animal?
The Horse, with the Metal element, from the Chinese lunar year of the May 11, 1930 birth.
What time was Edsger W. Dijkstra born?
No reliably documented birth time is public, so AsterNym does not calculate an Ascendant. This chart uses date-only positions: the wheel shows a reference solar chart (the Sun's sign as house 1), and the Ascendant is left uncomputed instead of guessed from an unverified time.
What was Edsger W. Dijkstra's Life Path number?
Life Path 2, calculated in numerology from the May 11, 1930 birth date.
What was Edsger W. Dijkstra's Chiron sign?
Chiron in Taurus at 14°. Position from JPL Horizons for the May 11, 1930 birth date.
Where was Edsger W. Dijkstra's Black Moon Lilith?
Mean Black Moon Lilith in Aquarius at 9°. This is the mean lunar apogee; the osculating Lilith some tables use can sit up to 30° away.
What was Edsger W. Dijkstra's dominant planet?
Venus, on AsterNym's dominance score (7 points: rules the Sun sign, Taurus; disposes Sun; 3 major aspects). Mars is second and Mercury third. Other sites weight rulerships and aspects differently and can name a different leader.

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