In 2009, Mercury has four retrograde periods: in Aquarius, Capricorn, Gemini, Taurus, Libra and Virgo. The first begins on January 11. The last begins on December 26 and runs into the new year.
Retrograde periods in 2009
January 11 – February 1
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Aquarius into Capricorn
- Length
- 21 days
May 7 – May 30
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Gemini into Taurus
- Length
- 23 days
September 7 – September 29
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Libra into Virgo
- Length
- 22 days
December 26, 2009 – January 15, 2010
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- Capricorn
- Length
- 20 days