Retrograde dates for 1990
These are the exact dates every planet from Mercury to Pluto turns retrograde and turns direct in 1990, in Universal Time. Mercury is retrograde from 30 December 1989 to 20 January 1990, and from 23 April 1990 to 17 May 1990, and from 25 August 1990 to 17 September 1990, and from 14 December 1990 to 3 January 1991.
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- Mercury retrograde30 December 1989 to 20 January, 23 April to 17 May, 25 August to 17 September, 14 December to 3 January 1991
- Venus retrograde29 December 1989 to 8 February
- Mars retrograde20 October to 1 January 1991
- Jupiter retrograde29 October 1989 to 24 February, 30 November to 30 March 1991
- Saturn retrograde4 May to 23 September
- Uranus retrograde13 April to 14 September
Mercury retrograde in 1990
Mercury is retrograde in 4 periods touching 1990.
- Before 1990Mercury turned retrograde on 30 December 1989 and is still retrograde on 1 January 1990
- Saturday 20 January 199004:33 UTMercury turns direct at 9°41′ Capricorn
- Monday 23 April 199006:47 UTMercury turns retrograde at 17°31′ Taurus
- Thursday 17 May 199002:03 UTMercury turns direct at 7°55′ Taurus
- Saturday 25 August 199013:52 UTMercury turns retrograde at 23°33′ Virgo
- Monday 17 September 199012:02 UTMercury turns direct at 9°34′ Virgo
- Friday 14 December 199020:56 UTMercury turns retrograde at 10°00′ Capricorn
- After 1990Mercury turns direct on 3 January 1991 and is still retrograde on 31 December 1990
Venus retrograde in 1990
Venus is retrograde in 1 period touching 1990.
- Before 1990Venus turned retrograde on 29 December 1989 and is still retrograde on 1 January 1990
- Thursday 8 February 199008:39 UTVenus turns direct at 20°55′ Capricorn
Mars retrograde in 1990
Mars is retrograde in 1 period touching 1990.
- Saturday 20 October 199020:24 UTMars turns retrograde at 14°33′ Gemini
- After 1990Mars turns direct on 1 January 1991 and is still retrograde on 31 December 1990
Jupiter retrograde in 1990
Jupiter is retrograde in 2 periods touching 1990.
- Before 1990Jupiter turned retrograde on 29 October 1989 and is still retrograde on 1 January 1990
- Saturday 24 February 199019:15 UTJupiter turns direct at 0°48′ Cancer
- Friday 30 November 199005:01 UTJupiter turns retrograde at 13°35′ Leo
- After 1990Jupiter turns direct on 30 March 1991 and is still retrograde on 31 December 1990
Saturn retrograde in 1990
Saturn is retrograde in 1 period touching 1990.
- Friday 4 May 199022:47 UTSaturn turns retrograde at 25°20′ Capricorn
- Sunday 23 September 199005:10 UTSaturn turns direct at 18°42′ Capricorn
Uranus retrograde in 1990
Uranus is retrograde in 1 period touching 1990.
- Friday 13 April 199022:29 UTUranus turns retrograde at 9°35′ Capricorn
- Friday 14 September 199018:26 UTUranus turns direct at 5°36′ Capricorn
Neptune retrograde in 1990
Neptune is retrograde in 1 period touching 1990.
- Monday 16 April 199013:00 UTNeptune turns retrograde at 14°34′ Capricorn
- Sunday 23 September 199018:33 UTNeptune turns direct at 11°47′ Capricorn
Pluto retrograde in 1990
Pluto is retrograde in 1 period touching 1990.
- Monday 19 February 199002:01 UTPluto turns retrograde at 17°46′ Scorpio
- Wednesday 25 July 199019:47 UTPluto turns direct at 14°58′ Scorpio
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 1990 · Ephemeris 1990 · Retrograde calendar · Sky events ahead