Silvanus P. Thompson 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.
Silvanus P. Thompson's chart rests first on the stable factors: Sun in Gemini and Moon in Pisces. Without a reliable time, signs and aspects are stronger than the Rising sign or houses.
Chart detail:
Saturn conjunct Pluto (orb 1°) gives a central dynamic in this reading. The orb is very tight; this describes a stable character pattern more than a passing reaction.
In plain terms, this aspect joins Saturn (discipline, constraint, endurance, and mastery) to Pluto's crisis instinct: Saturn 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 | 27° 32' 51" | 0.953 / day |
| Moon | Pisces | 02° 43' 41" | 11.86 / day |
| Mercury | Gemini | 05° 05' 34" | 1.169 / day |
| Venus | Gemini | 00° 20' 13" | 1.202 / day |
| Mars | Taurus | 11° 07' 02" | 0.728 / day |
| Jupiter | Libra | 13° 12' 49" | 0.027 / day |
| Saturn | Taurus | 01° 32' 26" | 0.089 / day |
| Uranus | Taurus | 03° 19' 37" | 0.038 / day |
| Neptune | Pisces | 09° 15' 26" R | -0.003 / day |
| Pluto | Taurus | 00° 31' 44" | 0.013 / day |
| Lilith | Pisces | 09° 20' 52" | 0.111 / day |
| RS | Virgo | 26° 51' 27" | |
| MH | Gemini | 27° 21' 17" |
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Signs Mercury in Gemini · Neptune in Pisces
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 Pisces
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 Pisces: emotional safety looks for imagination, faith, compassion, dream, and permeability. 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 triangle: Pluto, Sun, and Moon
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 Pluto (power, crisis, intensity, and deep transformation), Sun (identity, confidence, and direction), and Moon (emotional needs, instinct, and inner safety).
This is the clearest cooperation pattern in the chart: Sun sextile Pluto (orb 3°), Moon sextile Pluto (orb 2.2°), and Sun trine Moon (orb 5.2°). 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 circuit: Moon, Mercury, Venus, 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 Moon (emotional needs, instinct, and inner safety), Mercury (thinking, speech, and decisions), Venus (attraction, pleasure, taste, and relationships), and Neptune (dreams, ideals, imagination, and confusion).
This is the clearest friction pattern in the chart: Moon square Mercury (orb 2.4°), Moon square Venus (orb 2.4°), and Mercury square Neptune (orb 4.2°). It shows where pressure, contradiction, or repeated effort concentrates. Because several planets are connected, the full pattern matters more than one isolated aspect.
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.
Sun sextile Pluto (orb 3°) shows active cooperation between the two planets. The orb is tight enough to count in the main reading.
Here, Sun in Gemini brings identity, ego, father figure, visibility, and direction with Gemini style (curiosity, language, movement, and mental adaptation); Pluto in Taurus brings crisis, power, survival, and regeneration with Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance).
Concrete cooperation: identity and Pluto can cooperate when the person turns pressure into clear direction. Father-image layer: ego, personal direction, and the father imprint can cooperate with Pluto.
Sun sextile Saturn (orb 4°) shows active cooperation between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Concrete cooperation: identity, father image, and discipline can cooperate over time. Father-image layer: ego, personal direction, and the father imprint can cooperate with Saturn.
Moon in Pisces 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 Pisces style: imagination, faith, compassion, dream, and permeability.
Concretely, the person expresses personal dream, play instinct, inner child, childhood imprint, mother figure, mother image, optimism, and inner rhythm through the Pisces style (imagination, faith, compassion, dream, and permeability). Exact aspects and repeated patterns indicate whether this theme becomes central.
Aspect connected to this placement: Moon square Mercury (orb 2.4°). Aspect effect: creates tension between personal dream and intellect: thought can cut the play instinct, or the dream can overflow rational wording.
Time-sensitive Moon aspect: Moon sextile Uranus (orb 0.6°). Because the birth time is unknown, the Moon's exact degree can shift during the day. This interpretation stays provisional and gains weight only if the aspect remains tight across the possible birth window or repeats another clear signature.
Here, Moon in Pisces brings personal dream, play, inner child, childhood imprint, mother figure, mother image, optimism, and inner rhythm with Pisces style (imagination, faith, compassion, dream, and permeability); Uranus in Taurus brings disruption, independence, and change with Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance).
Concrete cooperation: personal dream and change can cooperate without breaking the inner rhythm. Mother-image layer: childhood, mother image, and inner child can cooperate with Uranus.
Time-sensitive Moon aspect: Moon sextile Saturn (orb 1.2°). Because the birth time is unknown, the Moon's exact degree can shift during the day. This interpretation stays provisional and gains weight only if the aspect remains tight across the possible birth window or repeats another clear signature.
Here, Moon in Pisces brings personal dream, play, inner child, childhood imprint, mother figure, mother image, optimism, and inner rhythm with Pisces style (imagination, faith, compassion, dream, and permeability); Saturn in Taurus brings discipline, constraint, endurance, and mastery with Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance).
Concrete cooperation: personal dream, mother image, and discipline can cooperate through consistency. Mother-image layer: childhood, mother image, and inner child can cooperate with Saturn.
Time-sensitive Moon aspect: Moon sextile Pluto (orb 2.2°). Because the birth time is unknown, the Moon's exact degree can shift during the day. This interpretation stays provisional and gains weight only if the aspect remains tight across the possible birth window or repeats another clear signature.
Here, Moon in Pisces brings personal dream, play, inner child, childhood imprint, mother figure, mother image, optimism, and inner rhythm with Pisces style (imagination, faith, compassion, dream, and permeability); Pluto in Taurus brings crisis, power, survival, and regeneration with Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance).
Concrete cooperation: personal dream, mother image, and Pluto's crisis instinct can cooperate when difficult situations become a resource. Mother-image layer: childhood, mother image, and inner child can cooperate with Pluto.
Time-sensitive Moon aspect: Moon square Mercury (orb 2.4°). Because the birth time is unknown, the Moon's exact degree can shift during the day. This interpretation stays provisional and gains weight only if the aspect remains tight across the possible birth window or repeats another clear signature.
Here, Moon in Pisces brings personal dream, play, inner child, childhood imprint, mother figure, mother image, optimism, and inner rhythm with Pisces style (imagination, faith, compassion, dream, and permeability); Mercury in Gemini brings intellect, language, thought, and technique with Gemini style (curiosity, language, movement, and mental adaptation).
Concrete friction: this aspect creates tension between personal dream and intellect: thought can cut the play instinct, or the dream can overflow rational wording.
Time-sensitive Moon aspect: Moon square Venus (orb 2.4°). Because the birth time is unknown, the Moon's exact degree can shift during the day. This interpretation stays provisional and gains weight only if the aspect remains tight across the possible birth window or repeats another clear signature.
Here, Moon in Pisces brings personal dream, play, inner child, childhood imprint, mother figure, mother image, optimism, and inner rhythm with Pisces style (imagination, faith, compassion, dream, and permeability); Venus in Gemini brings desire, taste, relationship, and attraction with Gemini style (curiosity, language, movement, and mental adaptation).
Concrete friction: this aspect creates tension between attachment, personal dream, the desire to be loved, pleasure, and self-worth.
The Rising sign cannot be determined if the time is not known.
Mercury in Gemini remains a reliable combination even without a birth time. Mercury describes intellect, language, thought, and technique, with Gemini style: curiosity, language, movement, and mental adaptation.
Concretely, the person expresses thinking, speech, learning, technique, and mental strategy through the Gemini style (curiosity, language, movement, and mental adaptation). 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 Mercury.
Mercury conjunct Venus (orb 4.8°) brings the two planets out together. The orb is moderate; it stays secondary beside tighter signatures.
Here, both planets use the same Gemini style (curiosity, language, movement, and mental adaptation). Mercury in Gemini brings intellect, language, thought, and technique; Venus in Gemini brings desire, taste, relationship, and attraction.
Concrete effect: this aspect brings intellect, language, taste, desire, and charm together: thought seeks an attractive or pleasant form.
Mercury square Neptune (orb 4.2°) creates concrete friction between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Concrete friction: this aspect creates tension between analysis, language, confusion, ideal, and collective perception.
Mercury square Lilith (orb 4.2°) creates concrete friction between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Concrete friction: this aspect creates tension between thought, speech, obsession, purity demand, and refusal to let go.
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.
Same aspect, other side: the full reading is under the other planet, and it also applies to Venus.
Same aspect, other side: the full reading is under the other planet, and it also applies to Venus.
Mars in Taurus remains a reliable combination even without a birth time. Mars describes action, courage, competition, and effort, with Taurus style: nature, good food, physical sensuality, roots, resources, and perseverance.
Concretely, the person expresses action, anger, courage, competition, and effort 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: Mars sextile Lilith (orb 1.8°). Aspect effect: lets action cooperate with Lilith's ideal as a deliberate decision force.
Mars sextile Lilith (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, Mars in Taurus brings action, courage, competition, and effort with Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance); Lilith in Pisces brings pure ideal, absolute demand, fascination, and refusal of compromise with Pisces style (imagination, faith, compassion, dream, and permeability).
Concrete cooperation: action can cooperate with Lilith's ideal as a deliberate decision force.
Mars sextile Neptune (orb 1.9°) shows active cooperation between the two planets. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, Mars in Taurus brings action, courage, competition, and effort with Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance); Neptune in Pisces brings imagination, image, popularity, collective moods, and inspiration with Pisces style (imagination, faith, compassion, dream, and permeability).
Concrete cooperation: action and imagination can cooperate when the person turns an image into a concrete gesture.
Jupiter in Libra remains a reliable combination even without a birth time. Jupiter describes personal fulfillment, confidence, encouragement, and broader horizons, with Libra style: relationship, balance, negotiation, and sense of form.
Concretely, the person expresses personal fulfillment, confidence, and opening of horizons through the Libra style (relationship, balance, negotiation, and sense of form). Exact aspects and repeated patterns indicate whether this theme becomes central.
Saturn in Taurus remains a reliable combination even without a birth time. Saturn describes discipline, constraint, endurance, and mastery, with Taurus style: nature, good food, physical sensuality, roots, resources, and perseverance.
Concretely, the person expresses discipline, limits, duty, fear, and long construction 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: Saturn conjunct Pluto (orb 1°). Aspect effect: joins Saturn (discipline, constraint, endurance, and mastery) to Pluto's crisis instinct: Saturn can express through pressure, control, sexuality, danger, or difficult situations.
Saturn conjunct Pluto (orb 1°) brings the two planets out together. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, both planets use the same Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance). Saturn in Taurus brings discipline, constraint, endurance, and mastery; Pluto in Taurus brings crisis, power, survival, and regeneration.
Concrete effect: this aspect joins Saturn (discipline, constraint, endurance, and mastery) to Pluto's crisis instinct: Saturn can express through pressure, control, sexuality, danger, or difficult situations.
Saturn conjunct Uranus (orb 1.8°) brings the two planets out together. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, both planets use the same Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance). Saturn in Taurus brings discipline, constraint, endurance, and mastery; Uranus in Taurus brings disruption, independence, and change.
Concrete effect: this aspect brings Saturn (discipline, constraint, endurance, and mastery) together with Uranus (disruption, independence, and change) in the same behaviors or situations.
Same aspect, other side: the full reading is under the other planet, and it also applies to Saturn.
Same aspect, other side: the full reading is under the other planet, and it also applies to Saturn.
Uranus in Taurus remains a reliable combination even without a birth time. Uranus describes disruption, independence, and change, with Taurus style: nature, good food, physical sensuality, roots, resources, and perseverance.
Concretely, the person expresses freedom, disruption, broken rhythms, and the need for independence through the Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance). 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.
Same aspect, other side: the full reading is under the other planet, and it also applies to Uranus.
Neptune in Pisces remains a reliable combination even without a birth time. Neptune describes imagination, image, popularity, collective moods, and inspiration, with Pisces style: imagination, faith, compassion, dream, and permeability.
Concretely, the person expresses imagination, image, popularity, and the ability to read collective currents 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 Neptune.
Same aspect, other side: the full reading is under the other planet, and it also applies to Neptune.
Pluto in Taurus remains a reliable combination even without a birth time. Pluto describes crisis, power, survival, and regeneration, with Taurus style: nature, good food, physical sensuality, roots, resources, and perseverance.
Concretely, the person expresses crisis, power, sexuality, survival, and transformation through the Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance). 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 Pisces remains a reliable combination even without a birth time. Lilith describes pure ideal, absolute demand, fascination, and refusal of compromise, with Pisces style: imagination, faith, compassion, dream, and permeability.
Concretely, the person expresses the pure ideal, absolute demand, desire, fascination, and what refuses to become ordinary 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 Lilith.
Same aspect, other side: the full reading is under the other planet, and it also applies to Lilith.
