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Mercury retrograde 2027

Mercury is retrograde in 2027 from February 9 to March 3, from June 10 to July 4 and from October 7 to October 28, by UTC date.

Mercury turns retrograde 3 times in 2027. This page gives the day and minute of each turning point in UTC and in your time zone, with the sign and degree where it happens. It also gives the pre-shadow and post-shadow dates around each retrograde, and a calendar file holds all 12 dates.

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Mercury retrograde stations and shadow edges, 2027
EventTime in UTCYour timeSign and degree
Pre-shadow begins20° 55′ Aquarius
Retrograde station5° 58′ Pisces
Direct station20° 55′ Aquarius
Post-shadow ends5° 58′ Pisces
Pre-shadow begins27° 28′ Gemini
Retrograde station6° 21′ Cancer
Direct station27° 28′ Gemini
Post-shadow ends6° 21′ Cancer
Pre-shadow begins19° 18′ Libra
Retrograde station4° 55′ Scorpio
Direct station19° 18′ Libra
Post-shadow ends4° 55′ Scorpio
How long each Mercury retrograde and its shadows last
Retrograde periodDays retrogradeDays from pre-shadow to post-shadow
February 9 to March 321.7956.83
June 10 to July 424.0654.11
October 7 to October 2820.9857.1

When is Mercury retrograde in 2027?

Mercury counts as retrograde between two stations. At the first it appears to stop and reverse against the stars. At the second it stops again and goes forward. In 2027 the first retrograde carries Mercury from 5° 58′ Pisces back to 20° 55′ Aquarius in 21.79 days.

The second lasts 24.06 days, from 6° 21′ Cancer back to 27° 28′ Gemini. The third lasts 20.98 days, from 4° 55′ Scorpio to 19° 18′ Libra.

What are the Mercury shadow periods in 2027?

Tradition calls a stretch of the zodiac that Mercury crosses three times in one cycle a shadow period. The pre-shadow begins when Mercury first reaches the degree where it will turn direct. The post-shadow ends when it returns to the degree where it turned retrograde.

The first shadow opens on January 25 at 20° 55′ Aquarius and closes on March 23 at 5° 58′ Pisces, which is 56.83 days in all. The second runs from May 26 to July 19 and lasts 54.11 days, and the third runs from September 17 to November 13 and lasts 57.1 days.

What does Mercury retrograde mean?

Mercury does not turn around in space. The backward drift is apparent: it comes from how the orbits of Mercury and Earth line up. Astrologers read these weeks as a time for review, revision and second thoughts. That reading is tradition, not measurement.

Why do other lists show a different date?

A station is one instant, but a date belongs to a time zone. The station nearest to midnight is the direct station of July 4, 4 hours 20 minutes before midnight in UTC, so a zone more than that far ahead of UTC is already on July 5.

Lists also differ in what they count. Some give only the station dates, and a list that rounds shadow degrees can move the first and last day. Here a shadow edge is the moment Mercury stands at the degree of a station.

Stations and shadow edges are calculated by AstroJane. One Mercury station, on February 9, matched JPL Horizons within 25 seconds.

How dates are made

Last reviewed: November 12, 2026