harmonics-custom-charts
Harmonic charts (1st through any harmonic), bi-wheel chart overlays, tri-wheel charts, quadri-wheel charts, and custom chart generation. Covers harmonic astrology theory (John Addey), harmonic calculation, interpretation of specific harmonics (H4 for squares, H5 for quintiles, H7 for septiles, H9 for navamsa/noviles), and multi-chart overlay techniques for comparing natal, progressed, transit, and return charts simultaneously. Use when the user wants harmonic charts, multi-wheel displays, or custom chart configurations.
You generate and interpret harmonic charts and multi-wheel chart combinations for advanced astrological analysis. ## Key Points - 100° × 5 = 500° - 500° mod 360° = 140° = 20° Leo 1. **Conjunctions in the harmonic chart** represent the corresponding aspect in the natal chart - Conjunction in H5 = quintile in the natal chart 2. **Tight conjunctions** in the harmonic chart indicate strong natal aspects of that type 3. **Stelliums in the harmonic chart** show concentrated energy through that harmonic's lens 4. **The harmonic ASC** and chart pattern provide additional insight - At age 35, calculate the H35 chart - Conjunctions in the age harmonic chart indicate which natal aspect patterns are active that year - This is an alternative to solar returns for annual forecasting 1. Note which outer planets fall in which inner houses — these are the activated life areas 2. Look for outer planets conjuncting inner planets or angles (tightest orbs first)
skilldb get astrology-skills/harmonics-custom-chartsFull skill: 183 linesHarmonics & Custom Chart Configurations
You generate and interpret harmonic charts and multi-wheel chart combinations for advanced astrological analysis.
Harmonic Astrology
Founded on the work of John Addey. Harmonic charts reveal hidden aspect patterns by multiplying all natal positions by a whole number.
Calculation
For the Nth harmonic: Harmonic position = (Natal position × N) mod 360°
Example: Planet at 100° (10° Cancer) in the 5th harmonic:
- 100° × 5 = 500°
- 500° mod 360° = 140° = 20° Leo
Key Harmonics
| Harmonic | Aspect Revealed | Meaning |
|---|---|---|
| H1 | Conjunction (0°) | The natal chart itself |
| H2 | Opposition (180°) | Polarity, awareness, projection |
| H3 | Trine (120°) | Pleasure, talent, ease, joy |
| H4 | Square (90°) | Effort, manifestation, drive, tension |
| H5 | Quintile (72°) | Creative power, talent, unique gifts |
| H7 | Septile (51°26') | Inspiration, destiny, spiritual compulsion |
| H8 | Semi-square (45°) | Intense effort, pressure to manifest |
| H9 | Novile (40°) | Joy, fulfillment, spiritual completion (= Vedic Navamsa) |
| H12 | Semi-sextile (30°) | Growth through adjustment |
How to Read a Harmonic Chart
- Conjunctions in the harmonic chart represent the corresponding aspect in the natal chart
- Conjunction in H5 = quintile in the natal chart
- Tight conjunctions in the harmonic chart indicate strong natal aspects of that type
- Stelliums in the harmonic chart show concentrated energy through that harmonic's lens
- The harmonic ASC and chart pattern provide additional insight
Higher Harmonics
| Harmonic | Use |
|---|---|
| H13 | Transformation, power |
| H16 | Dynamic action (square of squares) |
| H20 | Illusion, spirituality |
| H27 | Deep spiritual mastery |
| H36 | Karmic completion |
| H144 | Micro-aspects, extreme precision |
Age Harmonics
The harmonic corresponding to the person's age can reveal themes for that year:
- At age 35, calculate the H35 chart
- Conjunctions in the age harmonic chart indicate which natal aspect patterns are active that year
- This is an alternative to solar returns for annual forecasting
Bi-Wheel Charts
Two charts overlaid concentrically — the inner wheel is usually the natal chart, and the outer wheel is the comparison chart.
Common Bi-Wheel Combinations
| Inner Wheel | Outer Wheel | Use |
|---|---|---|
| Natal | Transit | Current transit analysis |
| Natal (Person A) | Natal (Person B) | Synastry |
| Natal | Progressed | Progression analysis |
| Natal | Solar Return | Annual theme overlay |
| Natal | Relocation | Location comparison |
| Natal | Composite | Relationship dynamics overlay |
Reading a Bi-Wheel
- Note which outer planets fall in which inner houses — these are the activated life areas
- Look for outer planets conjuncting inner planets or angles (tightest orbs first)
- The outer wheel energies are "visiting" or "impacting" the inner wheel structure
- Aspect lines between the two wheels show the active connections
Tri-Wheel Charts
Three concentric charts. Most useful for layering multiple timing techniques.
Common Tri-Wheel Combinations
| Inner | Middle | Outer | Use |
|---|---|---|---|
| Natal | Progressed | Transit | Full timing analysis (the "triple stack") |
| Natal | Solar Return | Transit | Year + current moment |
| Natal (A) | Composite | Natal (B) | Full relationship view |
| Natal | Directed (Solar Arc) | Transit | Directions + transits |
Reading a Tri-Wheel
- Start from the inside out — natal is the foundation
- Note where middle-wheel planets fall relative to natal houses
- Note where outer-wheel planets fall relative to BOTH inner rings
- Look for alignments across all three layers — when all three charts activate the same degree or house, that's a major event signature
- The most powerful moments have natal + progressed + transit all converging on the same point
Quadri-Wheel Charts
Four concentric charts. Used for maximum analysis density.
Common Quadri-Wheel Combinations
| Ring | Chart | Purpose |
|---|---|---|
| Inner | Natal | Foundation |
| 2nd | Progressed | Internal evolution |
| 3rd | Solar Arc | Directed timing |
| Outer | Transit | External triggers |
When to Use Quadri-Wheels
- Major life events (marriage, career change, relocation)
- Rectification work (checking multiple techniques against known events)
- Research and advanced analysis
- Not recommended for routine readings — too much data
Custom Chart Generation
Chart Style Options
| Style | Description |
|---|---|
| Modern/Western | Circular chart, equal-size houses, aspect lines in center |
| Whole Sign | Each sign fills one house exactly |
| European Classical | Square chart format (medieval style) |
| Vedic/North Indian | Diamond format, houses fixed |
| Vedic/South Indian | Square format, signs fixed |
| 90° Dial | Cosmobiology format, all positions mod 90° |
| Heliocentric | Sun-centered rather than Earth-centered |
Customization Options
- Bodies to include: standard 10, + asteroids, + fixed stars, + Arabic parts
- Aspect lines: major only, major + minor, custom selection
- House system: any of the 8+ systems
- Orb settings: tight (default), wide, custom per aspect
- Color coding: by element, by dignity, by aspect type
- Degree display: show/hide exact degrees on the wheel
Heliocentric Chart
Centers the chart on the Sun rather than the Earth. No houses, no Ascendant, no Moon (since the Moon orbits Earth).
Use: reveals the "solar system perspective" — how the native's planetary pattern looks from the Sun. Used in:
- Financial astrology
- Mundane astrology
- As a complement to the geocentric chart
Anti-Patterns
- Do NOT present harmonic charts without explaining what the harmonic number means
- Do NOT use age harmonics without noting they're an experimental technique
- Do NOT stack more than 3 wheels unless the user specifically requests quadri-wheel — it becomes unreadable
- Do NOT forget that the inner wheel is always the reference — other wheels are overlaid relative to it
- Do NOT confuse H9 (harmonic 9 / novile chart) with the Vedic Navamsa (D9) — they're calculated differently despite both dividing the zodiac by 9
- Do NOT treat heliocentric charts as replacements for geocentric — they show a different perspective, not a "truer" one
Install this skill directly: skilldb add astrology-skills
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