Explore Zodisphere

Every live-sky page, calculator, 3D view, and guide on Zodisphere — in one place. Pick where you want to start.

The sky today

the real ephemeris, today

What the real sky is doing today, computed from Swiss-grade ephemeris positions — not a generic horoscope.

• Today’s Transits — where every planet is right now, and which aspects are forming.
• Is Mercury Retrograde? — the live answer, the current and next windows, and what retrograde actually is. by year: Mercury Retrograde 2026 · Mercury Retrograde 2027
• Moon Today — the Moon’s current phase and sign, plus its void-of-course window.
• What’s Retrograde Now — every planet currently retrograde, with each station.

Your chart

computed from your birth data

Zodisphere is a real-time 3D solar system, so your chart is a place you can stand inside.

• 3D Birth Chart — your natal chart rendered as a real solar system you can rotate, zoom, and play through time.
• Transit Tracker — a personal calendar of upcoming transits to your own chart.

Calculators

exact dates · 75+ tools

Exact dates and placements, worked from real ephemeris positions. See all calculators →

• Saturn Return — your exact Saturn-return dates, including every retrograde pass.
• Solar Return — your birthday chart for the year ahead.
• Astrocartography — how your planetary lines fall across the world map.

Reference

glossary · sources

• Glossary — academically-sourced definitions across the Western astrological lineage.
• Our sources — the books and authors every claim traces back to.