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All years Mercury: 1900–2050
In 2027 Mercury turns backward 3 times: 09.02 – 03.03; 10.06 – 04.07; 07.10 – 28.10. The stations happen in: Gemini, Cancer, Libra, Scorpio, Aquarius, Pisces. Mercury runs deadlines, words and travel. When it moves backward, all of it needs a second pass: re-read it, ask again, leave yourself extra time.
Exact Mercury retrograde dates in 2027
| № | Turns retrograde | Turns direct | Lasts | Signs and shadow | Chart of the Sky |
|---|---|---|---|---|---|
| 1 | 5°58′ Pisces | 20°55′ Aquarius | 22 days | From Pisces to Aquarius Shadow: from to | |
| 2 | 6°21′ Cancer | 27°28′ Gemini | 24 days | From Cancer to Gemini Shadow: from to | |
| 3 | 4°55′ Scorpio | 19°18′ Libra | 21 days | From Scorpio to Libra Shadow: from to |
Retrogrades Mercury on the timeline 2027
Solid fill is retrograde motion; the lighter band is the shadow period, when the planet covers the same stretch of zodiac moving direct.
What to watch for during Mercury retrograde
What tends to help
- Finish what stalled: drafts, reports, the inbox backlog
- Go back to the conversation you put off and actually finish it
- Re-read the contract you signed in a hurry
- Repair devices and make backups
- Pick up old contacts – they tend to resurface on their own
Where to leave yourself margin
- Signing anything important without reading it: re-read even familiar wording
- Buying electronics you cannot return
- Assuming your message arrives and lands correctly the first time
- Planning travel with no slack in the schedule
Who feels mercury Retrograde most
Everyone feels a retrograde, but it lands hardest on people who have their own planets in the degrees involved. The simplest way to check is in your own birth chart. The signs Mercury moves backward through in 2027:
Other retrograde planets in 2027
Mercury Retrograde in other years
How this is calculated. Our numbers come from the Moira 6.1.0 engine running on NASA JPL DE440 ephemerides, tropical zodiac, Eastern Time, data updated Aug 8, 2026. More on our method →
Frequently Asked Questions
When Mercury retrograde in 2027?
09.02 – 03.03; 10.06 – 04.07; 07.10 – 28.10 – Eastern Time, to the minute.
What to watch for during Mercury retrograde?
Better to leave yourself margin for what comes next: signing anything important without reading it: re-read even familiar wording; buying electronics you cannot return; assuming your message arrives and lands correctly the first time; planning travel with no slack in the schedule.
What is the shadow period?
A planet first covers a stretch of zodiac going forward, then comes back over it, then crosses it a third time. The first and third passes are the shadow. The theme starts showing during the shadow and finishes after it.
Why is the date a day off on another site?
A station happens at a specific minute. If that minute falls at night, it can already be the next day in Eastern Time while in UT it is still the day before. We show Eastern Time, and the calendar tables have a time zone switch.
The wheel uses the tropical zodiac, 0° Aries on the left, signs running counterclockwise. The lines in the middle are the exact angles between planets at that moment.