Meridian Arc: Birth Chart

Meridian Arc is an astrology chart calculator that builds your complete natal birth chart, delivers a personalized daily horoscope, and generates zodiac compatibility profiles — all calculated from astronomical data accurate to 0.001 degrees.

Enter your date of birth, time, and location to calculate your birth chart instantly. See your Sun sign, Moon sign, rising sign, and every planetary placement across the twelve astrology houses. Each reading includes a Source Code toggle showing the exact positions and aspects behind every insight.

⭐ BIRTH CHART & NATAL CHART
Your full natal birth chart calculated with the Swiss Ephemeris — the same engine trusted by professional astrologers worldwide. Discover your Sun, Moon, and rising sign as your Core Signature, with in-depth interpretations for every planet, sign, and house position. Download a detailed birth chart reading as a PDF.

🔮 DAILY HOROSCOPE
Personalized horoscope readings based on your actual birth chart and real planetary transits — not generic zodiac forecasts. Designed to be calm, empowering, and practical: psychology-informed insights, not fortune telling or fear.

💞 COMPATIBILITY & SYNASTRY
Add a partner, friend, or family member to generate a synastry chart. See how your planets interact across communication, emotional resonance, and growth dynamics — each compatibility reading shows the astrology behind the connection.

🪐 3D SOLAR SYSTEM
Explore an interactive real-time orrery. Pinch, zoom, and rotate through the solar system to see planetary positions as they are right now.

✅ WHAT'S INCLUDED
— Full natal birth chart with interpretations
— Daily and past-date horoscope readings
— Interactive 3D solar system visualization
— 5 Pro Credits every week, refreshed each Sunday

🔑 CREDITS UNLOCK
— Deeper daily cosmic readings with extended analysis (1 credit)
— Relationship compatibility and synastry profiles (1 credit)
— Future date forecasts for any date (1 credit)

⚡ MERIDIAN PRO — ONE-TIME PURCHASE
One payment, everything unlocked forever. No subscriptions, no auto-renewals.
— Unlimited horoscope readings and compatibility profiles
— Daily Relationship Pulse for any saved connection
— Unlimited future date forecasts
— Saturn Return, Mercury Retrograde, and major cycle tracking

🛡️ BUILT DIFFERENT
— Source Code toggle on every reading shows the real astrology
— Psychology-based interpretations grounded in your actual chart
— Data stays on your device — no account required
— Swiss Ephemeris precision: planetary positions to 0.001°

Your birth chart. Your horoscope. Your relationships. Understand them all.