Explore the Art and Practice of the Occult
Explore the Art and Practice of the Occult
Calculate planetary hours (hora planetaria) for any location and date. Essential for timing magical operations, elections, and rituals according to traditional astrological correspondences.
| Period | Start | End | Ruler | Duration |
|---|
| Feature | Free Web | Astral Lab App |
|---|---|---|
| Planetary hours for any location/date | ✓ | ✓ |
| Current hour with live countdown | ✓ | ✓ |
| 7-day forecast | ✓ | ✓ |
| Planetary correspondences (metal, incense, etc.) | ✓ | ✓ |
| Natal chart + transits + progressions | ✗ | ✓ |
| Synastry (relationship charts) | ✗ | ✓ |
| Arabic Parts & fixed stars | ✗ | ✓ |
| Electional astrology finder | ✗ | ✓ |
| Works 100% offline | ✗ | ✓ |
| Price | Free | $6.50 |
"The web calculator showed me exactly when to launch my sigil. Astral Lab app added the natal chart context — I could see the planetary hour ruler was conjunct my natal Mercury. The electional finder saved me hours of manual calculation."
Planetary hours are the foundation. The Astral Lab Android app gives you: full natal chart (VSOP87/ELP2000), transits, progressions, synastry, Arabic Parts, electional finder, and exportable charts — all offline.
100% offline · No ads · No tracking · One-time payment · 7-day guarantee
This tool runs in your browser and nothing is saved after you close the tab. The app keeps a library, a journal and works in aeroplane mode. One-time payment, no subscription, no ads.