Sun-Sign Compatibility & Solar Archetypes

OmniZodiac Compatibility Center

Deterministic harmonic index, dimensional scoring transparency, and solar archetype dynamics across all 78 canonical zodiac pairings.

Classical celestial cartography diagram depicting dual interlocking planetary orbits

OmniZodiac Compatibility Calculator

Harmonic solar compatibility across elements, modalities, and geometric sign distance.

100% Ephemeral Client Computation: 100% client-side — your birth data is never stored or transmitted.
Select Zodiac Signs to Compare
VS
Mode:
Birth Time Precision: (Both Unknown)
Aries Zodiac Art
Aries
30°TIER E
Taurus Zodiac Art
Taurus
Tier E • Symbolic Harmony Heuristic Index • Overall Harmony

Aries & Taurus Compatibility

FIRE and EARTH operate with distinct priorities, offering opportunities for learning.

CARDINAL leadership combined with FIXED follow-through builds excellent teamwork.

Key Calculated Facts

Tier E
Overall Harmony
Complementary Synergy
Tier A
Element Synergy
Fire & Earth
Tier A
Modality Dynamics
Cardinal & Fixed
Tier A
Harmonic Aspect
Harmonic Aspect (30°)
Read Full Aries & Taurus Profile →
✦ Fast Result · 3 Strengths, 2 Contrasts, 1 Bridge (Friend)Both Unknown · No fake time-dependent claims

✦ Where You Click (3 Strengths)

Conversational Spark & Mutual CuriosityTier C

Western Tropical Zodiac: Semi-Sextile (30°) — Adjacent step-by-step perspective shift (Aries × Taurus).

Social Momentum & Shared PlayfulnessTier B

Chinese Lunisolar Ganzhi: Add birth dates locally to unlock Lìchūn Year-Branch San He / Liu He evaluation. (Both unknown (noon-UTC planetary coordinates only; Ascendant, Houses & Hour Pillar omitted)).

Peer Loyalty & Low-Pressure CamaraderieTier E

Pythagorean Numerology [Modern Comparative Synthesis]: Add birth dates locally to unlock Pythagorean Life Path Triad comparison..

◈ Where You Differ (2 Contrasts)

Spontaneous Hangouts vs. Planned Catch-UpsTier C

Western Tropical Zodiac: Semi-Sextile (30°) — Adjacent step-by-step perspective shift — navigate pacing differences consciously rather than assuming fixed fate.

Social Battery Recharge & Texting CadenceTier B

Chinese Lunisolar Ganzhi: Add birth dates locally to unlock Lìchūn Year-Branch San He / Liu He evaluation. (Both unknown (noon-UTC planetary coordinates only; Ascendant, Houses & Hour Pillar omitted)).

✦ The Bridge (1 Bridge · Actionable Relational Protocol) · WesternTier C

Anchor your friendship around a low-stakes shared ritual or creative adventure with zero obligation pressure (Western Tropical Zodiac — Semi-Sextile (30°) — Adjacent step-by-step perspective shift).

✦ Five-Lens Connection Map · Five Tradition Lenses

Both unknown (noon-UTC planetary coordinates only; Ascendant, Houses & Hour Pillar omitted)
Western Tropical ZodiacTradition-Native DoctrineTier C · 40% Weight
Contrast
Coordinates: Aries × Taurus
Semi-Sextile (30°) — Adjacent step-by-step perspective shift
Scope: Solar Sign Harmonic Preview (Ascendant & Houses Omitted)
Chinese Lunisolar GanzhiTradition-Native DoctrineTier B · 30% Weight
Needs Birth Date
Coordinates: Needs Birth Date × Needs Birth Date
Add birth dates locally to unlock Lìchūn Year-Branch San He / Liu He evaluation.
Maya Tzolk’in (GMT 584283)Modern Comparative SynthesisTier E · 15% Weight
Needs Birth Date
Coordinates: Needs Birth Date × Needs Birth Date
Add birth dates locally to unlock Classic GMT 584283 Tzolk’in Nawal & Trecena comparison.
Pythagorean NumerologyModern Comparative SynthesisTier E · 15% Weight
Needs Birth Date
Coordinates: Needs Birth Date × Needs Birth Date
Add birth dates locally to unlock Pythagorean Life Path Triad comparison.
Egyptian 36 Decans (EAT III)Solo Historical Context (Unscored)Tier B · 0% Weight (Unscored Solo Context)
Needs Birth Date
Coordinates: Needs Birth Date × Needs Birth Date
Solo Historical Context (0% Index Weight): Middle Kingdom Asyut diagonal star clocks (EAT III) had zero interpersonal synastry doctrine. Side-by-side 10° decan coordinates shown for comparative context only.
Scope: Solo Historical Context (0% Comparative Index Weight)

✦ Methodology & Epistemic Validity · Methodology & Weights

OmniZodiac Modern Comparative Index: 68 / 100 (Tier E) ▾

Tradition-Native Doctrine (Western Tropical & Chinese Ganzhi San He/Liu He) · Modern Comparative Synthesis (Maya Classic GMT 584283 & Pythagorean Numerology — Tier E) · Solo Historical Context (Egyptian 36 Decans — 0% Weight).

Historical Scope Boundary: Middle Kingdom Asyut diagonal star clocks (Neugebauer & Parker, EAT III) had zero interpersonal synastry doctrine and carry 0.00 weight across all modes.

Both Unknown: Both unknown (noon-UTC planetary coordinates only; Ascendant, Houses & Hour Pillar omitted)

Tier E — OmniZodiac Modern Comparative Index (transparent weights; not empirical probability — Egyptian 36 Decans carry 0% weight).

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✦ Why this score? View Algorithmic Breakdown (Overall Harmony)
Element Synergy40% wt
Base: 72/100 • Contribution: +29 pts
Modality Dynamics30% wt
Base: 85/100 • Contribution: +25 pts
Harmonic Aspect30% wt
Base: 72/100 • Contribution: +22 pts

Interpretive Disclosure: The OmniZodiac Compatibility Index is an archetypal harmonic synthesis derived from classical elements, modalities, and archetypal angular aspect chords between Sun signs. It does not measure empirical probability of relationship outcome.

Mode Weight Disclosure (Tier E • Symbolic Harmony Heuristic Index, 0–100 scale): Sign-Only Mode (CompatibilitySpec v2.1.0) = 40% Element / 30% Modality / 30% Aspect (Romantic: 45% Element / 35% Aspect / 20% Polarity) · Full-Date 5-Lens Comparative Mode by context = Romantic 42% Western / 28% Chinese / 15% Numerology / 15% Maya / 0% Egyptian; Friend 40% / 30% / 15% / 15% / 0%; Family 35% / 35% / 15% / 15% / 0%; Work 40% / 25% / 20% / 15% / 0% (Egyptian 36 Decans are displayed at 0% weight as unscored solo context; OmniZodiac Fusion evaluates qualitative thematic convergence without numeric scores).

FIRE and EARTH operate with distinct priorities, offering opportunities for learning. CARDINAL leadership combined with FIXED follow-through builds excellent teamwork.

Dimensional analysis synthesizes modality interaction, elemental depth, and polarity alignment as qualitative interpretation (Tier E: Modern Synthesis). It does not alter the mathematical OmniZodiac Compatibility Index.

Reference sample shown below. Sync preview with your active Aries & Taurus pair:
SKU 02 · BI-CHART SYNASTRY & MIDPOINT COMPOSITE MONOGRAPH · $14.95 · 20–24 Pages 20–24 Pages · $14.95

Deep Synastry & Relationship Atlas

A 20–24 page comparative relationship monograph computing full 10×10 cross-chart planetary orbs, bidirectional house overlays, and the mathematical midpoint Composite Chart.

Your free reading, 1-page Quick Snapshot, multi-page Free Personal Report PDF, and 4-Ratio Share Pack above remain 100% complete and free forever. Commission the archival dossier below only if you want the full 20–24 page multi-chapter monograph.
1. Illustrative Specimen Preview (Enter Birth Data to Personalize)
Aries & Taurus · Overall Harmony: Complementary Synergy (Tier E) · Harmonic Aspect (30°) · Ascendant (ASC): 13° 42' Libra · Partner B · Ascendant (ASC): 19° 16' Libra · Midheaven (MC): 15° 55' Cancer · Venus
2. What the Archival Dossier Adds
New Calculations & Relational Depth Unlocked Beyond Free Compatibility (20–24 Pages): Complete 10×10 cross-chart aspect matrix (Person A planets to Person B planets) with exact degree/minute orbs. · Bidirectional house overlays showing where Partner A activates Partner B’s life domains and vice versa.
3. One-Time Archival Edition Price
$14.95 · 20–24 Pages · $0.00 recurring · Zero subscription · Up to 3 local profiles
4. Inspect Full Archival Sample PDF First
Inspect 6-Page Sample PDF (Marie & Pierre Curie)
Ada Lovelace & Charles Babbage (Primary Ledger) + Marie & Pierre Curie (Comparative Case Note)
5. Split-Plane Zero-PII Privacy Guarantee
Zero birth dates, times, or coordinates ever leave your browser. Checkout transmits SKU & locale only; your 20–24 page PDF dossier compiles locally after entitlement verification.
Where Your Two Charts Connect
Relational Core Polarity & Solar-Lunar Bond
Elemental & Modal Relational Ground (1.1 · Bi-Wheel Synastry (Partner A Venus Taurus ↔ Partner B Ascendant Libra, Δ 0.18°)) — Venus (Taurus) & Ascendant (Libra)

Pragmatic personal stewardship insists on restorative reserves and clear boundaries. Across dyadic attunement and intimate accompaniment, creative polarity between Venus in Taurus and Ascendant in Libra resolves by establishing Ascendant's inner standards before releasing Venus. Attuned social awareness reads relational dynamics with gentle sophistication. Guided by Partner A's dispositor Venus positioned in Taurus, patient cultivation allows complex creative works to ripen to full structural maturity. Steady foundational habits anchor dyadic attunement and intimate accompaniment before external demands multiply. Composite Sun midpoint at 12° Leo (Elena Vance ↔ Partner B, exact inter-chart orb Δ 0.18°) frames shared relational patterns for conscious dialogue rather than fixed outcome certainty.

Tier C + Tier E · pp. 1–3Ascendant (ASC): 13° 42' Libra Partner B · Ascendant (ASC): 19° 16' Libra Midheaven (MC): 15° 55' Cancer
Technical Proof — Elemental & Modal Relational Ground (1.1 · Bi-Wheel Synastry (Partner A Venus Taurus ↔ Partner B Ascendant Libra, Δ 0.18°)): Venus at 19° Taurus, Ascendant at 19° Libra
Archival Chapters Unlocked Upon License Activation: Chapter II. Attraction, Chemistry & Cognitive Sync (Venus-Mars-Mercury) · Chapter III. Full Inter-Chart Aspect Matrix & Saturnian Longevity · Chapter IV. Asymmetric Bi-Wheel House Overlays (A-in-B & B-in-A) · Chapter V. Shortest-Arc Midpoint Composite Chart Architecture
Attraction, Chemistry & Cognitive Sync (Venus-Mars-Mercury)
Dyadic Dignity & Warmth Ledger (Bi-Wheel Synastry (Partner A Neptune Capricorn ↔ Partner B Neptune Capricorn, Δ 0.28°) · Neptune 13° / Neptune 13°) — Neptune (Capricorn) & Neptune (Capricorn)

Seasoned realism turns external constraints into specifications for enduring craft. Centered in mutual partnership and relational reciprocity, Neptune in Capricorn backs Neptune in Capricorn with calm, unforced continuity. Legacy-minded dedication builds works of lasting usefulness that outlive passing trends. Through Partner A's dispositor Saturn in Capricorn, cardinal earth structural integrity enforces multi-decade discipline and grounded self-mastery. This bilateral linkage consolidates expressive maturity across Capricorn (fall) and Capricorn (fall).

Tier C + Tier E · pp. 4–6Ascendant (ASC): 13° 42' Libra Venus Midheaven (MC): 15° 55' Cancer
Technical Proof — Dyadic Dignity & Warmth Ledger (Bi-Wheel Synastry (Partner A Neptune Capricorn ↔ Partner B Neptune Capricorn, Δ 0.28°) · Neptune 13° / Neptune 13°): Neptune at 13° Capricorn, Neptune at 13° Capricorn
20–24 Pages · $14.95
Full Inter-Chart Aspect Matrix & Saturnian Longevity
Dialogic Listening & Friction Bridge (Bi-Wheel Synastry (Partner A Ascendant Libra ↔ Partner B Neptune Capricorn, Δ 0.30°) · Ascendant × Neptune) — Ascendant (Libra) & Neptune (Capricorn)

Cardinal-air discernment balances competing personal perspectives with impartial grace. Centered in dyadic attunement and intimate accompaniment, Ascendant in Libra backs Neptune in Capricorn with calm, unforced continuity. Accountable follow-through measures every commitment against honest, verifiable standards. Stewarded via Partner A's dispositor Venus in Taurus, grounded value preservation protects long-term personal security from fleeting impulses. Measured relational pacing allows Ascendant and Neptune to translate insight into lived care.

Tier A + Tier E · pp. 7–9Ascendant (ASC): 13° 42' Libra Earth (5/10) Midheaven (MC): 15° 55' Cancer
Technical Proof — Dialogic Listening & Friction Bridge (Bi-Wheel Synastry (Partner A Ascendant Libra ↔ Partner B Neptune Capricorn, Δ 0.30°) · Ascendant × Neptune): Ascendant at 13° Libra, Neptune at 13° Capricorn
Archival Chapters Unlocked Upon License Activation: Chapter II. Attraction, Chemistry & Cognitive Sync (Venus-Mars-Mercury) · Chapter III. Full Inter-Chart Aspect Matrix & Saturnian Longevity · Chapter IV. Asymmetric Bi-Wheel House Overlays (A-in-B & B-in-A) · Chapter V. Shortest-Arc Midpoint Composite Chart Architecture
Generate My Report: Deep Synastry & Relationship Atlas ($14.95 · 20–24 Pages)

Zero birth dates, times, or coordinates ever leave your browser. Checkout transmits SKU & locale only; your 20–24 page PDF dossier compiles locally after entitlement verification.

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Tier E Lens ActivePersonal Symbolic Lens

Personal Symbolic Lens & Calculation Purity Disclosure

An optional reflective filter that tailors framing, metaphors, and journaling prompts without altering deterministic astronomical calculations.

Core planetary placements, house cusps, Maya Tzolk’in day signs, Egyptian decans, and Chinese Ganzhi remain 100% bit-for-bit identical with lens active or inactive.

✦ Recommended Next Horizon ✦

My Sky Oasis & Transits

Track real-time planetary transits and celestial shifts across your private sky

78 Canonical Pairs • 144 Solar Archetype Combinations

12×12 Zodiac Harmony Matrix

Explore the OmniZodiac Compatibility Index across all 144 pairing combinations. Select any cell or use the quick pair selector below.

Quick Pair Selector

Select any two signs to instantly jump to their detailed solar compatibility breakdown:

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Explore Full 12×12 Zodiac Compatibility Grid Click to expand/collapse table
Classical celestial cartography diagram depicting two interlocking planetary orbits and harmonic aspect angles
✦ Archaeological & Celestial Record ✦

Dual Intersecting Ecliptic Orbits

Solar archetype compatibility evaluates the geometric harmonic resonance between two tropical Sun signs, analyzing elemental trines, modality squares, and opposition polarities.

Keplerian Harmonics & Ptolemaic Aspect Geometry

Tier E: Modern Synthesis
Tier E • Modern Synthesis (Solar Archetype Methodology)

How We Compute the OmniZodiac Compatibility Index

OmniZodiac evaluates classical astrological dimensions — element synergies (40%), modality dynamics (30%), and geometric harmonic aspects (30%) — to produce a transparent, deterministic compatibility index bounded realistically between 50 and 98. Beyond the quantitative score, we explore deeper relational dimensions: Communication Style, Emotional Processing, Shared Values & Activities, and Conscious Relational Inquiry — all derived transparently from the same elemental and modal factors. Track real-time planetary transits in My Sky →

Love & Romance

Evaluates magnetic chemistry, emotional vulnerability, sexual pacing, and long-term values alignment.

Friendship & Social

Analyzes recreational synergy, conversational ease, mutual loyalty, and emotional safety.

Work & Collaboration

Measures execution complementary, leadership dynamics, strategic problem-solving, and conflict resolution.

Learn more about our scoring dimensions and interpretive boundaries in our Astrological Methodology Standard →

5-LENS CONNECTION · ZERO-PII INVITE ARCHITECTURE

Five-Lens Connection & Compare-With-Me Explainer

The Five-Lens Connection architecture evaluates two profiles across Western Tropical Synastry, Maya Trecena Resonance, Egyptian Decan Polarity, Chinese San He Triads, and Pythagorean Life Path Bridges. Compare-With-Me invite tokens carry only derived archetypes—never birth dates, times, or locations.