Typical themes
- Misunderstandings and crossed wires.
- Delayed trips, late messages and tech glitches.
- Old contacts, ideas and unfinished business coming back.
- A pull to review, revise, reconnect and rethink.
Common advice
- If you can wait, hold off on signing big contracts or launching something new.
- Put major tech purchases on pause.
- Double-check anything you send or book.
- Use the time to finish and tidy up rather than start.
Shadow periods
Many astrologers count a shadow on each side of the retrograde. The pre-shadow begins when Mercury first reaches the point where it will later turn direct. The post-shadow ends when it climbs back to the point where it turned retrograde. On average each shadow adds about 17 days. The Dates page lists them for every retrograde.
The sign sets the tone
The sign Mercury is in when it turns retrograde is said to colour the theme.
- Fire (Aries, Leo, Sagittarius): impulsive words, short tempers, rushed decisions.
- Earth (Taurus, Virgo, Capricorn): snags with money, work, schedules and practical plans.
- Air (Gemini, Libra, Aquarius): crossed wires in conversations, messages and devices.
- Water (Cancer, Scorpio, Pisces): old feelings, memories and relationships resurfacing.
A note on evidence
Astrology is a tradition and has not held up as a predictive science. Researchers who have looked for reliable links between planetary positions and events or personality have not found them, and the How it works page covers why nothing physical changes. Many people still use a retrograde as a prompt to slow down and double-check.