# AstrologyCalc.com — Precision Astrological Calculation Engine

> Free high-precision Western Tropical and Vedic Sidereal astrological calculation portal, calibrated against NASA JPL DE440 and Swiss Ephemeris algorithms.

## Canonical Calculator URLs
1. **Main Hub & Quick Natal Calculator:** https://astrologycalc.com/
2. **Dual Birth Chart Calculator (Western & Vedic):** https://astrologycalc.com/birth-chart-calculator/
3. **Relationship Compatibility & 36 Gunas Synastry:** https://astrologycalc.com/compatibility-calculator/
4. **Vedic Janam Kundli & Planetary Dignities:** https://astrologycalc.com/vedic-astrology-calculator/
5. **Destiny Matrix & Karmic Tail (22 Arcana):** https://astrologycalc.com/destiny-matrix-calculator/
6. **Pythagorean & Vedic Numerology (Psychomatrix):** https://astrologycalc.com/numerology-calculator/
7. **Vimshottari Dasha & Planetary Periods Timeline:** https://astrologycalc.com/planetary-periods-calculator/
8. **Sade Sati & Saturn Return Crisis Milestones:** https://astrologycalc.com/sade-sati-saturn-return-calculator/
9. **Daily Vedic Panchanga & Auspicious Muhurta Calendar:** https://astrologycalc.com/lunar-calendar-panchanga/
10. **Human Design Chart & Energetic Bodygraph:** https://astrologycalc.com/human-design-calculator/
11. **3-Card Tarot Reading (22 Major Arcana):** https://astrologycalc.com/tarot-reading-calculator/
12. **Vastu Compass & 9-Sector Energy Grid (Mandala):** https://astrologycalc.com/vastu-compass-calculator/
13. **Vedic Palmistry & Samudrika Shastra (Mounts & Lines):** https://astrologycalc.com/palmistry-calculator/

## System Highlights
- **Two-Tier No-Birth-Time Mode:** Enables users without an exact birth time to calculate a 12:00 PM UTC reference with a verified 26-hour Moon span and planetary signs.
- **Dual Ephemeris System:** Instant toggling between Western Tropical (seasonal equinox) and Vedic Sidereal (Lahiri ayanamsha, currently -24.2°).
- **Vedic Jyotish Standards:** 27 Nakshatras with four padas, presiding deities, full 120-year Vimshottari Dasha schedule, and real-time Sade Sati Saturn transit monitoring.
- **Ashtakoota Milan:** Complete 36-point compatibility matrix covering Varna, Vashya, Tara, Yoni, Graha Maitri, Gana, Bhakoot, and Nadi dimensions.
- **Destiny Matrix:** 22 Major Arcana octagram mapping personal and ancestral rhombuses, money and relationship lines, 7 Chakras health map, and 26 Karmic Tail programs.
- **Human Design:** Complete 9-center Bodygraph calculation synthesizing conscious Personality and 88-degree unconscious Design activations.
- **Vedic Panchanga:** Exact Tithi, Nakshatra, Yoga, Karana, Abhijit Muhurta, Rahu Kalam, and 8-slot Choghadiya daylight cycles.
- **Standards:** Zero tracking, 100% client-side privacy, AstroGuru Graphite design system standards.