In 1940, Mercury has three retrograde periods: in Aries, Pisces, Leo, Cancer and Scorpio. The first begins on March 6. The last ends on November 20.
Retrograde periods in 1940
March 6 – March 28
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Aries into Pisces
- Length
- 22 days
July 8 – August 1
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Leo into Cancer
- Length
- 24 days
October 31 – November 20
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- Scorpio
- Length
- 20 days