In 2003, Mercury has four retrograde periods: in Capricorn, Taurus, Virgo and Sagittarius. The first begins on January 2. The last begins on December 17 and runs into the new year.
Retrograde periods in 2003
January 2 – January 22
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- Capricorn
- Length
- 20 days
April 26 – May 20
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- Taurus
- Length
- 24 days
August 28 – September 20
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- Virgo
- Length
- 23 days
December 17, 2003 – January 6, 2004
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Capricorn into Sagittarius
- Length
- 20 days