How accurate is this?

Accuracy depends on exact birth time/place. We use precise ephemerides and Placidus for Ascendant.

Where can I see more?

Click ‘Get Your Natal Chart’ to open the SPA and explore aspects and houses.

Big 3 Astrology Calculator | Sun, Moon, Rising (Free)

Your Big Three are the core of your chart: Sun (self/ego), Moon (emotions), and Rising (presentation). Together, they sketch your signature.

Enter your birth details to get Sun, Moon, and Rising signs (Tropical Zodiac) with degrees. Ascendant uses Placidus houses.

Big 3 astrology combines your Sun (identity), Moon (emotions), and Rising (presentation) to create a quick, reliable snapshot of your personality. This free calculator uses Tropical Zodiac and a Placidus Ascendant with accurate, location-aware ephemerides to compute exact degrees. Ideal for beginners and advanced learners who want clarity fast.

✨ Enter Birth Details

👤 Your Name

⚧️ Gender

📅 Date of Birth

⏰ Time of Birth

📍 Birth Location (min 3 letters)

Your Big Three Result

Sample Big 3 Result

For a person born on 15-Aug-1990, 08:30 AM, New York:

Sun: Leo 22°
Moon: Gemini 10°
Rising: Virgo 5°

Why trust this calculation?

🛰️ Accurate ephemeris — Tropical Zodiac; Placidus Ascendant.
🧭 Birthplace/time aware — ensures precise Rising sign and degrees.
⚡ Lightweight UI — minimal JS, mobile-first layout.
🔗 SPA handoff — open your full natal chart instantly.

What Do Sun, Moon, and Rising Mean?

Sun Sign

Core self, vitality, purpose, and how you radiate confidence.

Moon Sign

Emotional needs, instincts, comfort, and inner reactions.

Rising (Ascendant)

Your presentation and approach — first impression and initiating style.

Big Three FAQs

What are the Big Three?

Sun (identity), Moon (emotions), and Rising (presentation) — the core trio.

Do houses affect planet signs?

No. Sun and Moon signs don’t depend on houses; Placidus is used for Ascendant only.

How exact is the Rising?

Ascendant can shift by minutes. Use the most accurate birth time available.

Can I see aspects?

Yes. Use “Get Your Natal Chart” to open the SPA with full details.

Built using astronomical ephemerides; used by thousands of learners worldwide.

Big 3 Astrology Calculator — Sun, Moon, and Rising