In 2040, Mercury has three retrograde periods: in Pisces, Aquarius, Cancer, Scorpio and Libra. The first begins on February 12. The last ends on October 30.
Retrograde periods in 2040
February 12 – March 5
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Pisces into Aquarius
- Length
- 22 days
June 12 – July 6
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- Cancer
- Length
- 24 days
October 9 – October 30
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Scorpio into Libra
- Length
- 21 days