In 1938, Mercury has four retrograde periods: in Capricorn, Sagittarius, Taurus, Aries, Virgo and Leo. The year opens with a retrograde carried over from the year before; it ends on January 9. The last ends on December 24.
Retrograde periods in 1938
December 20, 1937 – January 9, 1938
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Capricorn into Sagittarius
- Length
- 20 days
April 11 – May 5
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Taurus into Aries
- Length
- 24 days
August 14 – September 6
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- from Virgo into Leo
- Length
- 23 days
December 4 – December 24
Over
- Shadow begins
- Retrograde begins
- Turns direct
- Shadow ends
- Sign
- Sagittarius
- Length
- 20 days