Retrograde dates for 1921
These are the exact dates every planet from Mercury to Pluto turns retrograde and turns direct in 1921, in Universal Time. Mercury is retrograde from 21 February 1921 to 16 March 1921, and from 25 June 1921 to 19 July 1921, and from 19 October 1921 to 9 November 1921.
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- Mercury retrograde21 February to 16 March, 25 June to 19 July, 19 October to 9 November
- Venus retrograde1 April to 14 May
- Mars retrogradenone
- Jupiter retrograde3 January to 6 May
- Saturn retrograde4 January to 20 May
- Uranus retrograde14 June to 15 November
Mercury retrograde in 1921
Mercury is retrograde in 3 periods touching 1921.
- Monday 21 February 192123:10 UTMercury turns retrograde at 17°45′ Pisces
- Wednesday 16 March 192108:48 UTMercury turns direct at 3°28′ Pisces
- Saturday 25 June 192100:35 UTMercury turns retrograde at 20°51′ Cancer
- Tuesday 19 July 192105:20 UTMercury turns direct at 11°09′ Cancer
- Wednesday 19 October 192123:54 UTMercury turns retrograde at 16°17′ Scorpio
- Wednesday 9 November 192111:10 UTMercury turns direct at 0°24′ Scorpio
Venus retrograde in 1921
Venus is retrograde in 1 period touching 1921.
- Friday 1 April 192111:38 UTVenus turns retrograde at 10°16′ Taurus
- Saturday 14 May 192100:11 UTVenus turns direct at 23°52′ Aries
Mars retrograde in 1921
Mars does not turn retrograde or direct in 1921.
Jupiter retrograde in 1921
Jupiter is retrograde in 1 period touching 1921.
- Monday 3 January 192121:33 UTJupiter turns retrograde at 18°54′ Virgo
- Friday 6 May 192101:48 UTJupiter turns direct at 8°55′ Virgo
Saturn retrograde in 1921
Saturn is retrograde in 1 period touching 1921.
- Tuesday 4 January 192110:47 UTSaturn turns retrograde at 24°48′ Virgo
- Friday 20 May 192121:41 UTSaturn turns direct at 17°58′ Virgo
Uranus retrograde in 1921
Uranus is retrograde in 1 period touching 1921.
- Tuesday 14 June 192110:43 UTUranus turns retrograde at 9°38′ Pisces
- Tuesday 15 November 192112:43 UTUranus turns direct at 5°42′ Pisces
Neptune retrograde in 1921
Neptune is retrograde in 2 periods touching 1921.
- Before 1921Neptune turned retrograde on 16 November 1920 and is still retrograde on 1 January 1921
- Friday 22 April 192102:31 UTNeptune turns direct at 10°57′ Leo
- Friday 18 November 192120:54 UTNeptune turns retrograde at 15°58′ Leo
- After 1921Neptune turns direct on 24 April 1922 and is still retrograde on 31 December 1921
Pluto retrograde in 1921
Pluto is retrograde in 2 periods touching 1921.
- Before 1921Pluto turned retrograde on 9 October 1920 and is still retrograde on 1 January 1921
- Monday 21 March 192102:34 UTPluto turns direct at 6°47′ Cancer
- Monday 10 October 192120:32 UTPluto turns retrograde at 10°03′ Cancer
- After 1921Pluto turns direct on 22 March 1922 and is still retrograde on 31 December 1921
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 1921 · Ephemeris 1921 · Retrograde calendar · Sky events ahead