In 1989, Mercury has four retrograde periods: in Aquarius, Capricorn, Gemini, Taurus, Libra and Virgo. The first begins on January 15. The last begins on December 30 and runs into the new year.
Retrograde periods in 1989
January 15 – February 5
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Aquarius into Capricorn
- Length
- 21 days
May 12 – June 5
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Gemini into Taurus
- Length
- 24 days
September 11 – October 3
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Libra into Virgo
- Length
- 22 days
December 30, 1989 – January 19, 1990
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- Capricorn
- Length
- 20 days