Retrograde dates for 1931
These are the exact dates every planet from Mercury to Pluto turns retrograde and turns direct in 1931, in Universal Time. Mercury is retrograde from 27 December 1930 to 17 January 1931, and from 19 April 1931 to 13 May 1931, and from 22 August 1931 to 14 September 1931, and from 11 December 1931 to 31 December 1931.
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- Mercury retrograde27 December 1930 to 17 January, 19 April to 13 May, 22 August to 14 September, 11 December to 31 December
- Venus retrogradenone
- Mars retrograde18 December 1930 to 8 March
- Jupiter retrograde8 November 1930 to 7 March, 9 December to 8 April 1932
- Saturn retrograde3 May to 21 September
- Uranus retrograde26 July to 25 December
Mercury retrograde in 1931
Mercury is retrograde in 4 periods touching 1931.
- Before 1931Mercury turned retrograde on 27 December 1930 and is still retrograde on 1 January 1931
- Saturday 17 January 193102:56 UTMercury turns direct at 6°03′ Capricorn
- Sunday 19 April 193119:40 UTMercury turns retrograde at 13°24′ Taurus
- Wednesday 13 May 193114:39 UTMercury turns direct at 3°35′ Taurus
- Saturday 22 August 193108:24 UTMercury turns retrograde at 19°41′ Virgo
- Monday 14 September 193109:40 UTMercury turns direct at 5°52′ Virgo
- Friday 11 December 193120:56 UTMercury turns retrograde at 6°24′ Capricorn
- Thursday 31 December 193116:54 UTMercury turns direct at 20°05′ Sagittarius
Venus retrograde in 1931
Venus does not turn retrograde or direct in 1931.
Mars retrograde in 1931
Mars is retrograde in 1 period touching 1931.
- Before 1931Mars turned retrograde on 18 December 1930 and is still retrograde on 1 January 1931
- Sunday 8 March 193113:36 UTMars turns direct at 27°26′ Cancer
Jupiter retrograde in 1931
Jupiter is retrograde in 2 periods touching 1931.
- Before 1931Jupiter turned retrograde on 8 November 1930 and is still retrograde on 1 January 1931
- Saturday 7 March 193108:40 UTJupiter turns direct at 10°26′ Cancer
- Wednesday 9 December 193117:23 UTJupiter turns retrograde at 22°38′ Leo
- After 1931Jupiter turns direct on 8 April 1932 and is still retrograde on 31 December 1931
Saturn retrograde in 1931
Saturn is retrograde in 1 period touching 1931.
- Sunday 3 May 193114:16 UTSaturn turns retrograde at 23°16′ Capricorn
- Monday 21 September 193119:46 UTSaturn turns direct at 16°38′ Capricorn
Uranus retrograde in 1931
Uranus is retrograde in 1 period touching 1931.
- Sunday 26 July 193100:24 UTUranus turns retrograde at 19°22′ Aries
- Friday 25 December 193115:41 UTUranus turns direct at 15°26′ Aries
Neptune retrograde in 1931
Neptune is retrograde in 2 periods touching 1931.
- Before 1931Neptune turned retrograde on 8 December 1930 and is still retrograde on 1 January 1931
- Friday 15 May 193100:51 UTNeptune turns direct at 2°59′ Virgo
- Friday 11 December 193106:02 UTNeptune turns retrograde at 7°59′ Virgo
- After 1931Neptune turns direct on 16 May 1932 and is still retrograde on 31 December 1931
Pluto retrograde in 1931
Pluto is retrograde in 2 periods touching 1931.
- Before 1931Pluto turned retrograde on 22 October 1930 and is still retrograde on 1 January 1931
- Thursday 2 April 193104:02 UTPluto turns direct at 18°41′ Cancer
- Friday 23 October 193122:02 UTPluto turns retrograde at 22°10′ Cancer
- After 1931Pluto turns direct on 2 April 1932 and is still retrograde on 31 December 1931
What “retrograde” means here
A planet is retrograde when its ecliptic longitude, seen from the Earth, is decreasing: it appears to move backwards against the stars. A station is the moment it appears to stop before changing direction. The Sun and the Moon never turn retrograde. Each date above is a station computed to the minute.
What these dates are worth
Every time on this page is computed by the engine that casts the charts, not copied from a table. All times are Universal Time (UT), so a date can fall a day either side of your own clock: add your time zone's offset to get local time. The Moon is checked against NASA and JPL values and the planets against published station and ingress dates; the table of what Umbriel checks, and how close it comes is public. Umbriel is for reflection and self-understanding, not prediction.
Moon phases 1931 · Ephemeris 1931 · Retrograde calendar · Sky events ahead