★ LAUNCH OFFER· −30% on PRO until June 26· code FOUNDER30· See pricing → ★
★ LAUNCH OFFER· −30% on PRO until June 26· code FOUNDER30· See pricing → ★
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Free Natal
Chart Calculator

150 fixed stars · William Lilly horary · Swiss Ephemeris precision.
Your real questions about love, work and timing, answered from the real sky of your birth.

✦ Calculate your chart — Free → ⟡ See live sky
✦ 12 AUG 2026 · Total Eclipse · Calculate impact →
⭑ Classical Astrology Engine · Pacoastrologo
☉ Sun Cancer 2°· ☽ Moon Libra 27°· ☿ Mercury Cancer 25°· ♀ Venus Leo 12°· ♂ Mars Taurus 26°
Computing JD 2460863.392 · Córdoba 37.88°N 4.78°W
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☉ Sun · Cancer 2°37′ · Peregrine
☽ Moon · Libra 27°44′ · Peregrine
☿ Mercury · Cancer 25°02′ · Peregrine
♀ Venus · Leo 12°18′ · Peregrine
♂ Mars · Taurus 26°37′ · Detriment · Conj. Algol 0.4°
♃ Jupiter · Cancer 28°41′ · Exaltation
♄ Saturn · Aries 13°51′ · Fall
⟡ See full sky now →
☉ Sun · Cancer 2°37′ · Peregrine
☽ Moon · Libra 27°44′ · Peregrine
☿ Mercury · Cancer 25°02′ · Peregrine
♀ Venus · Leo 12°18′ · Peregrine
♂ Mars · Taurus 26°37′ · Detriment · Conj. Algol 0.4°
♃ Jupiter · Cancer 28°41′ · Exaltation
♄ Saturn · Aries 13°51′ · Fall
⟡ See full sky now →
✦ ChatGPT is your ally ✦

ChatGPT answers with wisdom.
Estrella AI answers with your real sky.

Ask any AI what you want. The difference: ours has already calculated your real chart before it speaks.

General AI
ChatGPT
Wise, general advice
⟡ The Astro Kind
Estrella AI
Reads your real chart first
○“Will I find work that fulfils me?” — general guidance, same for everyone
✦Reads your real 10th house and its ruler, in your chart
○“Why do I repeat the same patterns in love?” — wise, but blind to your sky
✦Calculates your exact 7th house and your Venus
○“Is it a good time to take the leap?” — answers in the abstract
✦Your real transits, Swiss Ephemeris precision
✦Calculate your chart — Free→

The engine, working.
Not a screenshot.

Computed in your browser · 18ms
LIVE SKY · NOW — · — UTC Real-time Swiss Ephemeris Tropical · True Node · Placidus
Trine
Square
Opposition
Sextile
⟡ Estrella · Reading
Querent: M.R. · 03:14 UTC
— Fire Horse, after Lilly, Bonatti and Robson
☉ ☽ ♂
→ Calculate yours · It's free for natal chart
✦ The Masters ✦

The doctrine we inherit.

☿
WL
1602–1681
William Lilly
The English Master of Horary
"Whatever is asked of God in faith shall be granted." — Christian Astrology, 1647
♃
GB
c. 1207–1296
Guido Bonatti
Astrologer of kings and emperors
"Reason and the stars together." — Liber Astronomiae
☉
CP
c. 100–170
Claudius Ptolemy
Father of mathematical astrology
"As above, so below." — Tetrabiblos
♄
VR
1886–1942
Vivian Robson
The voice of the fixed stars
"Each star colours the planet it touches." — Fixed Stars and Constellations, 1923
✦ Simple Pricing ✦

Free forever for natal. Pro for everything else.

Free Forever
€0
No card · no registration
  • Unlimited natal charts
  • 150 fixed stars
  • Essential dignities + Almuten
  • Visual classical wheel
  • 8 Arabic Parts
Calculate Now →
No registration required for natal chart.
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€4.99
24h full access · one-time
  • Everything in Free +
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  • Downloadable PDF dossier
  • Eclipse · Electional · Horary
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  • Transits · Progressions · Synastry
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✦ The Tools ✦

Eleven instruments, one classical engine.

☉
Natal Chart
Your soul's blueprint
⚖
Horary
Lilly method, exact answer
⌖
Electional
Choose the right moment
🌍
Astrocartography
Where you flourish on Earth
↻
Solar Return
The themes of your year
↗
Transits
Live planetary impacts
⟲
Progressions
Inner unfolding
⏱
Planetary Hours
Time the day's powers
♥
Synastry
Two charts, one bond
⭐
150 Fixed Stars
Robson's catalogue applied
𒀭
Babylonian Sky
Interactive ancient map
📚
Free Course
5 levels of classical doctrine