John Cocke (computer scientist) birth chart is shown with zodiac signs and aspects. Because the birth time is unknown, Arcadia does not use houses, Rising sign, or angular dominants as the main basis of interpretation.
John Cocke (computer scientist)'s chart rests first on the stable factors: Sun in Gemini and Moon in Virgo. Without a reliable time, signs and aspects are stronger than the Rising sign or houses.
Chart detail:
Mars conjunct Pluto (orb 0.8°) gives a central dynamic in this reading. The orb is extremely tight; this aspect is one of the chart's strongest signals.
In plain terms, this aspect joins Mars (action, courage, competition, and effort) to Pluto's crisis instinct: Mars can express through pressure, control, sexuality, danger, or difficult situations.
The birth time is not known with certainty, so the Rising sign and houses are less reliable. Signs and exact aspects give the safer reading base.
Learn the zodiac signs · Learn the planets · Learn the houses · Browse celebrity charts · Calculate your own birth chart
| Element | Sign | Degrees | Speed |
| Sun | Gemini | 08° 32' 25" | 0.958 / day |
| Moon | Virgo | 04° 45' 17" | 12.169 / day |
| Mercury | Taurus | 17° 33' 51" | 1.596 / day |
| Venus | Gemini | 18° 13' 53" | 1.227 / day |
| Mars | Cancer | 13° 01' 44" | 0.632 / day |
| Jupiter | Capricorn | 21° 54' 13" R | -0.06 / day |
| Saturn | Scorpio | 08° 59' 47" R | -0.06 / day |
| Uranus | Pisces | 25° 04' 56" | 0.024 / day |
| Neptune | Leo | 20° 01' 36" | 0.015 / day |
| Pluto | Cancer | 12° 11' 29" | 0.021 / day |
| Lilith | Cancer | 18° 20' 19" | 0.11 / day |
| RS | Virgo | 05° 40' 49" | |
| MH | Gemini | 09° 10' 27" |
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This section gives a concrete reading thread. It highlights the most visible signatures, then the tabs keep each placement separate instead of mixing everything together.
Important: Unknown birth time: the Rising sign, houses, and angular dominants are too time-sensitive to anchor the interpretation. The Moon remains useful, but its exact aspects can shift during the day: tight non-Moon aspects are more reliable when they exist.
Start here: a short reading that shows what hooks, what helps, what pushes back, and where it becomes concrete.
Sun in Gemini · Moon in Virgo
First hook: this is where the chart often becomes recognizable in real life. Sun in Gemini: identity and direction move through curiosity, language, movement, and mental adaptation; Moon in Virgo: emotional safety looks for precision, method, usefulness, and attention to detail. Because the birth time is missing, reliable aspects should carry the next step before houses or angles.
Dominants unavailable without reliable birth time
Angular dominants depend on birth time. Without a reliable hour, do not use them as primary evidence.
Harmonious circuit: Jupiter, Mars, Mercury, Saturn, and Uranus
This is the easiest door into the chart: it shows what tends to cooperate naturally.
This pattern describes what comes more easily. Houses are not used here: unknown time. It connects Jupiter (growth, faith, luck, and confidence in the future), Mars (action, anger, desire, and courage), Mercury (thinking, speech, and decisions), and Saturn (responsibility, limits, effort, and patience).
This is the clearest cooperation pattern in the chart: Mars trine Saturn (orb 4°), Mercury trine Jupiter (orb 4.3°), and Jupiter sextile Uranus (orb 3.2°). It shows where functions support each other, recover, or come naturally when used together. Because several planets are connected, the full pattern matters more than one isolated aspect.
Tension link: Mercury and Neptune
This is the pressure line to read first: it shows where tension repeats in concrete situations.
This pattern shows where pressure builds fastest. Houses are not used here: unknown time. It connects Mercury (thinking, speech, and decisions) and Neptune (dreams, ideals, imagination, and confusion).
This is the clearest friction pattern in the chart: Mercury square Neptune (orb 2.5°). It shows where pressure, contradiction, or repeated effort concentrates. No wider group outranks this link, so read it as a strong but isolated signal.
Houses unavailable without reliable birth time
Houses describe domains of existence, but they depend on birth time. Without a reliable hour, signs and aspects should carry the reading.
Read the full chart-reading method · Detailed placements and aspects are below in the tabs.
Without a reliable birth time, the Sun, Moon, and exact aspects become the reliable base. The Rising sign, houses, and angular dominants need a reliable birth time.
The Moon can change signs during a day. Near a lunar sign change, the Moon sign remains a hypothesis.
Without a reliable hour, exact aspects and reliable repetitions can strongly nuance the starting reading.
Sun in Gemini remains a reliable combination even without a birth time. The Sun describes identity, ego, father figure, visibility, and direction, with Gemini style: curiosity, language, movement, and mental adaptation.
Concretely, the person expresses identity, ego, father figure, recognition, and personal direction through the Gemini style (curiosity, language, movement, and mental adaptation). Exact aspects and repeated patterns indicate whether this theme becomes central.
Moon in Virgo remains a useful base without a birth time. The Moon sign is often usable, but near a Moon sign change it remains a hypothesis; the Moon describes personal dream, play, inner child, childhood imprint, mother figure, mother image, optimism, and inner rhythm, with Virgo style: precision, method, usefulness, and attention to detail.
Concretely, the person expresses personal dream, play instinct, inner child, childhood imprint, mother figure, mother image, optimism, and inner rhythm through the Virgo style (precision, method, usefulness, and attention to detail). Exact aspects and repeated patterns indicate whether this theme becomes central.
The Rising sign cannot be determined if the time is not known.
Mercury in Taurus remains a reliable combination even without a birth time. Mercury describes intellect, language, thought, and technique, with Taurus style: nature, good food, physical sensuality, roots, resources, and perseverance.
Concretely, the person expresses thinking, speech, learning, technique, and mental strategy through the Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance). Exact aspects and repeated patterns indicate whether this theme becomes central.
Aspect connected to this placement: Mercury square Neptune (orb 2.5°). Aspect effect: creates tension between analysis, language, confusion, ideal, and collective perception.
Mercury sextile Lilith (orb 0.8°) shows active cooperation between the two planets. The orb is extremely tight; this aspect is one of the chart's strongest signals.
Here, Mercury in Taurus brings intellect, language, thought, and technique with Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance); Lilith in Cancer brings pure ideal, absolute demand, fascination, and refusal of compromise with Cancer style (memory, protection, belonging, and family sensitivity).
Concrete cooperation: intellect and Lilith's ideal can cooperate without becoming fixation.
Mercury square Neptune (orb 2.5°) creates concrete friction between the two planets. The orb is tight enough to count in the main reading.
Here, Mercury in Taurus brings intellect, language, thought, and technique with Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance); Neptune in Leo brings imagination, image, popularity, collective moods, and inspiration with Leo style (presence, pride, creation, and the wish to be seen).
Concrete friction: this aspect creates tension between analysis, language, confusion, ideal, and collective perception.
Mercury trine Jupiter (orb 4.3°) shows positive structural ease between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Concrete support: this aspect gives structural ease linking intellectual precision with a larger vision: teaching, storytelling, or making an idea feel bigger can come naturally.
Mercury sextile Mars (orb 4.5°) shows active cooperation between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Concrete cooperation: thought and action can cooperate efficiently.
Mercury sextile Pluto (orb 5.4°) shows active cooperation between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Concrete cooperation: Mercury and Pluto can cooperate in investigation, strategy, sharp speech, or understanding crises.
Venus in Gemini remains a reliable combination even without a birth time. Venus describes desire, taste, relationship, and attraction, with Gemini style: curiosity, language, movement, and mental adaptation.
Concretely, the person expresses desire, taste, attraction, pleasure, and love style through the Gemini style (curiosity, language, movement, and mental adaptation). Exact aspects and repeated patterns indicate whether this theme becomes central.
Aspect connected to this placement: Venus sextile Neptune (orb 1.8°). Aspect effect: lets Venus and Neptune cooperate when desire receives an artistic, imaginal, or compassionate form.
Venus sextile Neptune (orb 1.8°) shows active cooperation between the two planets. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, Venus in Gemini brings desire, taste, relationship, and attraction with Gemini style (curiosity, language, movement, and mental adaptation); Neptune in Leo brings imagination, image, popularity, collective moods, and inspiration with Leo style (presence, pride, creation, and the wish to be seen).
Concrete cooperation: Venus and Neptune can cooperate when desire receives an artistic, imaginal, or compassionate form.
Mars in Cancer remains a reliable combination even without a birth time. Mars describes action, courage, competition, and effort, with Cancer style: memory, protection, belonging, and family sensitivity.
Concretely, the person expresses action, anger, courage, competition, and effort through the Cancer style (memory, protection, belonging, and family sensitivity). Exact aspects and repeated patterns indicate whether this theme becomes central.
Aspect connected to this placement: Mars conjunct Pluto (orb 0.8°). Aspect effect: joins Mars (action, courage, competition, and effort) to Pluto's crisis instinct: Mars can express through pressure, control, sexuality, danger, or difficult situations.
Mars conjunct Pluto (orb 0.8°) brings the two planets out together. The orb is extremely tight; this aspect is one of the chart's strongest signals.
Here, both planets use the same Cancer style (memory, protection, belonging, and family sensitivity). Mars in Cancer brings action, courage, competition, and effort; Pluto in Cancer brings crisis, power, survival, and regeneration.
Concrete effect: this aspect joins Mars (action, courage, competition, and effort) to Pluto's crisis instinct: Mars can express through pressure, control, sexuality, danger, or difficult situations.
Mars trine Saturn (orb 4°) shows positive structural ease between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Concrete support: this aspect gives positive ease between courage and discipline: action becomes more enduring, strategic, and able to hold under pressure.
Mars conjunct Lilith (orb 5.3°) brings the two planets out together. The orb is moderate; it stays secondary beside tighter signatures.
Here, both planets use the same Cancer style (memory, protection, belonging, and family sensitivity). Mars in Cancer brings action, courage, competition, and effort; Lilith in Cancer brings pure ideal, absolute demand, fascination, and refusal of compromise.
Concrete effect: this aspect joins action to Lilith's ideal demand: force may seek perfect expression rather than everyday aggression.
Same aspect, other side: the full reading is under the other planet, and it also applies to Mars.
Jupiter in Capricorn remains a reliable combination even without a birth time. Jupiter describes personal fulfillment, confidence, encouragement, and broader horizons, with Capricorn style: structure, ambition, responsibility, and long construction.
Concretely, the person expresses personal fulfillment, confidence, and opening of horizons through the Capricorn style (structure, ambition, responsibility, and long construction). Exact aspects and repeated patterns indicate whether this theme becomes central.
Aspect connected to this placement: Jupiter opposite Lilith (orb 3.6°). Aspect effect: sets personal fulfillment and wider horizons against Lilith's absolute ideal, fascination, or refusal of compromise.
Jupiter opposite Lilith (orb 3.6°) puts the two planets face to face, with visible back-and-forth or tension. The orb is moderate; it stays secondary beside tighter signatures.
Concrete conflict: this aspect sets personal fulfillment and wider horizons against Lilith's absolute ideal, fascination, or refusal of compromise.
Jupiter sextile Uranus (orb 3.2°) shows active cooperation between the two planets. The orb is tight enough to count in the main reading.
Here, Jupiter in Capricorn brings personal fulfillment, confidence, encouragement, and broader horizons with Capricorn style (structure, ambition, responsibility, and long construction); Uranus in Pisces brings disruption, independence, and change with Pisces style (imagination, faith, compassion, dream, and permeability).
Concrete cooperation: fulfillment and change can cooperate through openness, invention, or sudden opportunity.
Same aspect, other side: the full reading is under the other planet, and it also applies to Jupiter.
Saturn in Scorpio remains a reliable combination even without a birth time. Saturn describes discipline, constraint, endurance, and mastery, with Scorpio style: intensity, desire, crisis, secrecy, and invisible power.
Concretely, the person expresses discipline, limits, duty, fear, and long construction through the Scorpio style (intensity, desire, crisis, secrecy, and invisible power). Exact aspects and repeated patterns indicate whether this theme becomes central.
Aspect connected to this placement: Saturn trine Pluto (orb 3.2°). Aspect effect: gives Saturn (discipline, constraint, endurance, and mastery) natural support for handling crises: pressure can make Saturn more lucid instead of blocking it.
Saturn trine Pluto (orb 3.2°) shows positive structural ease between the two planets. The orb is tight enough to count in the main reading.
Here, Saturn in Scorpio brings discipline, constraint, endurance, and mastery with Scorpio style (intensity, desire, crisis, secrecy, and invisible power); Pluto in Cancer brings crisis, power, survival, and regeneration with Cancer style (memory, protection, belonging, and family sensitivity).
Concrete support: this aspect gives Saturn (discipline, constraint, endurance, and mastery) natural support for handling crises: pressure can make Saturn more lucid instead of blocking it.
Same aspect, other side: the full reading is under the other planet, and it also applies to Saturn.
Uranus in Pisces remains a reliable combination even without a birth time. Uranus describes disruption, independence, and change, with Pisces style: imagination, faith, compassion, dream, and permeability.
Concretely, the person expresses freedom, disruption, broken rhythms, and the need for independence through the Pisces style (imagination, faith, compassion, dream, and permeability). Exact aspects and repeated patterns indicate whether this theme becomes central.
Same aspect, other side: the full reading is under the other planet, and it also applies to Uranus.
Neptune in Leo remains a reliable combination even without a birth time. Neptune describes imagination, image, popularity, collective moods, and inspiration, with Leo style: presence, pride, creation, and the wish to be seen.
Concretely, the person expresses imagination, image, popularity, and the ability to read collective currents through the Leo style (presence, pride, creation, and the wish to be seen). Exact aspects and repeated patterns indicate whether this theme becomes central.
Same aspect, other side: the full reading is under the other planet, and it also applies to Neptune.
Same aspect, other side: the full reading is under the other planet, and it also applies to Neptune.
Pluto in Cancer remains a reliable combination even without a birth time. Pluto describes crisis, power, survival, and regeneration, with Cancer style: memory, protection, belonging, and family sensitivity.
Concretely, the person expresses crisis, power, sexuality, survival, and transformation through the Cancer style (memory, protection, belonging, and family sensitivity). Exact aspects and repeated patterns indicate whether this theme becomes central.
Same aspect, other side: the full reading is under the other planet, and it also applies to Pluto.
Same aspect, other side: the full reading is under the other planet, and it also applies to Pluto.
Same aspect, other side: the full reading is under the other planet, and it also applies to Pluto.
Lilith in Cancer remains a reliable combination even without a birth time. Lilith describes pure ideal, absolute demand, fascination, and refusal of compromise, with Cancer style: memory, protection, belonging, and family sensitivity.
Concretely, the person expresses the pure ideal, absolute demand, desire, fascination, and what refuses to become ordinary through the Cancer style (memory, protection, belonging, and family sensitivity). Exact aspects and repeated patterns indicate whether this theme becomes central.
Same aspect, other side: the full reading is under the other planet, and it also applies to Lilith.
Same aspect, other side: the full reading is under the other planet, and it also applies to Lilith.
Same aspect, other side: the full reading is under the other planet, and it also applies to Lilith.
