Retrograde dates for 1930
These are the exact dates every planet from Mercury to Pluto turns retrograde and turns direct in 1930, in Universal Time. Mercury is retrograde from 13 January 1930 to 2 February 1930, and from 8 May 1930 to 1 June 1930, and from 8 September 1930 to 30 September 1930, and from 27 December 1930 to 17 January 1931.
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- Mercury retrograde13 January to 2 February, 8 May to 1 June, 8 September to 30 September, 27 December to 17 January 1931
- Venus retrograde2 November to 13 December
- Mars retrograde18 December to 8 March 1931
- Jupiter retrograde5 October 1929 to 31 January, 8 November to 7 March 1931
- Saturn retrograde21 April to 9 September
- Uranus retrograde21 July to 21 December
Mercury retrograde in 1930
Mercury is retrograde in 4 periods touching 1930.
- Monday 13 January 193001:40 UTMercury turns retrograde at 8°15′ Aquarius
- Sunday 2 February 193017:42 UTMercury turns direct at 22°16′ Capricorn
- Thursday 8 May 193022:25 UTMercury turns retrograde at 2°36′ Gemini
- Sunday 1 June 193018:40 UTMercury turns direct at 23°48′ Taurus
- Monday 8 September 193016:31 UTMercury turns retrograde at 6°47′ Libra
- Tuesday 30 September 193022:44 UTMercury turns direct at 22°05′ Virgo
- Saturday 27 December 193023:27 UTMercury turns retrograde at 22°16′ Capricorn
- After 1930Mercury turns direct on 17 January 1931 and is still retrograde on 31 December 1930
Venus retrograde in 1930
Venus is retrograde in 1 period touching 1930.
- Sunday 2 November 193003:53 UTVenus turns retrograde at 7°22′ Sagittarius
- Saturday 13 December 193006:42 UTVenus turns direct at 22°02′ Scorpio
Mars retrograde in 1930
Mars is retrograde in 1 period touching 1930.
- Thursday 18 December 193013:55 UTMars turns retrograde at 16°49′ Leo
- After 1930Mars turns direct on 8 March 1931 and is still retrograde on 31 December 1930
Jupiter retrograde in 1930
Jupiter is retrograde in 2 periods touching 1930.
- Before 1930Jupiter turned retrograde on 5 October 1929 and is still retrograde on 1 January 1930
- Friday 31 January 193009:17 UTJupiter turns direct at 6°21′ Gemini
- Saturday 8 November 193003:20 UTJupiter turns retrograde at 20°30′ Cancer
- After 1930Jupiter turns direct on 7 March 1931 and is still retrograde on 31 December 1930
Saturn retrograde in 1930
Saturn is retrograde in 1 period touching 1930.
- Monday 21 April 193014:32 UTSaturn turns retrograde at 11°52′ Capricorn
- Tuesday 9 September 193023:49 UTSaturn turns direct at 5°15′ Capricorn
Uranus retrograde in 1930
Uranus is retrograde in 1 period touching 1930.
- Monday 21 July 193016:14 UTUranus turns retrograde at 15°22′ Aries
- Sunday 21 December 193010:15 UTUranus turns direct at 11°26′ Aries
Neptune retrograde in 1930
Neptune is retrograde in 2 periods touching 1930.
- Before 1930Neptune turned retrograde on 6 December 1929 and is still retrograde on 1 January 1930
- Monday 12 May 193012:02 UTNeptune turns direct at 0°47′ Virgo
- Monday 8 December 193019:41 UTNeptune turns retrograde at 5°47′ Virgo
- After 1930Neptune turns direct on 15 May 1931 and is still retrograde on 31 December 1930
Pluto retrograde in 1930
Pluto is retrograde in 2 periods touching 1930.
- Before 1930Pluto turned retrograde on 20 October 1929 and is still retrograde on 1 January 1930
- Monday 31 March 193017:01 UTPluto turns direct at 17°27′ Cancer
- Wednesday 22 October 193008:22 UTPluto turns retrograde at 20°53′ Cancer
- After 1930Pluto turns direct on 2 April 1931 and is still retrograde on 31 December 1930
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 1930 · Ephemeris 1930 · Retrograde calendar · Sky events ahead