What is a transit in astrology?
Updated September 25, 2026
In astrology, a transit is where a planet is right now, compared with the positions in your birth chart. When a moving planet forms an aspect to one of your natal points — say, today's Mercury squaring your natal Sun — astrologers read it as a theme for that period. Fast planets (Moon, Mercury, Venus) create daily and weekly themes; slow ones (Jupiter, Saturn) set tone for months or years.
How long transits last
| Planet | Moves about | Typical aspect lasts |
|---|---|---|
| Moon | 13° / day | Hours |
| Sun, Mercury, Venus | ~1° / day | 2–5 days |
| Mars | ~0.5° / day | ~1 week |
| Jupiter | ~1 sign / year | Weeks to months |
| Saturn | ~1 sign / 2.5 years | Months |
How Tutelox uses transits
Each morning we compute every planet's position (NASA JPL DE440s ephemeris), find its aspects to your chart, and rank the five strongest. Those — plus your tasks — shape your brief.
Questions
- What's the difference between a transit and a horoscope?
- A newspaper horoscope uses only your Sun sign. A personal transit reading uses your whole chart.
- Which transits matter most for work?
- Transits to Mercury, Saturn, the Midheaven and the 6th and 10th houses are traditionally emphasized.
- Are retrogrades transits?
- A retrograde is a planet's apparent motion; it affects which transits happen and when.
- Do transits make things happen?
- There's no evidence they do. We use them as a reflective frame.
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See my briefBy the Tutelox editorial team. Positions come from NASA JPL ephemeris calculations; the writing is AI-assisted and reviewed by people. How we make this.
For entertainment and self-reflection. Not professional advice.