Retrograde Calendar
Station times, degrees, durations, and shadow periods for every retrograde of the year — computed astronomy, not folklore.
No planet ever backs up; the loop is a trick of parallax as Earth laps a slower world or is lapped by a faster one. The tradition reads it accordingly. A changes a planet's gear, not its meaning; matters under its sponsorship come round again for review, revision, repair. The days that carry real weight are the , when a planet stands still to turn. Mark those dates, not the whole stretch.
☿︎Mercury retrograde 1930· four times this year
The classic season of crossed wires; three or four short spells a year. Re-read, re-confirm, back up the files; let the signature wait for the turning day if it can.
Retrograde 13 Jan – 02 Feb (3 weeks), 8°15' Aquarius back to 22°16' Capricorn; shadow from 27 Dec 1929 to 22 Feb. Stations at 01:44 and 17:47 UT.
Retrograde 08 May – 01 Jun (3 weeks), 2°35' Gemini back to 23°47' Taurus; shadow from 24 Apr to 17 Jun. Stations at 22:27 and 18:32 UT.
Retrograde 08 Sep – 30 Sep (3 weeks), 6°47' Libra back to 22°05' Virgo; shadow from 19 Aug to 15 Oct. Stations at 16:25 and 22:56 UT.
Retrograde 27 Dec – 17 Jan 1931 (3 weeks), 22°16' Capricorn back to 6°02' Capricorn; shadow from 11 Dec to 05 Feb 1931. Stations at 23:36 and 02:55 UT.
♀︎Venus retrograde 1930· once this year
Retrograde 02 Nov – 13 Dec (6 weeks), 7°22' Sagittarius back to 22°01' Scorpio; shadow from 01 Oct to 13 Jan 1931. Stations at 03:45 and 06:20 UT.
♂︎Mars retrograde 1930· once this year
Retrograde 18 Dec – 08 Mar 1931 (11 weeks), 16°48' Leo back to 27°25' Cancer; shadow from 15 Oct to 15 May 1931. Stations at 13:44 and 13:53 UT.
The slow planets
Jupiter outward, a planet spends four to five months of every year retrograde; that is ordinary weather, not an event. The slower the planet, the longer the spell and the less it asks of any single day. Mark the stations; the rest is season.
♃︎Jupiter retrograde 1930· twice this year
Retrograde 05 Oct 1929 – 31 Jan (17 weeks), 16°24' Gemini back to 6°20' Gemini; shadow from 11 Jul 1929 to 26 Apr. Stations at 09:54 and 09:14 UT.
Retrograde 08 Nov – 07 Mar 1931 (17 weeks), 20°30' Cancer back to 10°26' Cancer; shadow from 13 Aug to 02 Jun 1931. Stations at 03:19 and 08:38 UT.
♄︎Saturn retrograde 1930· once this year
Retrograde 21 Apr – 09 Sep (20 weeks), 11°52' Capricorn back to 5°15' Capricorn; shadow from 14 Jan to 16 Dec. Stations at 14:32 and 23:50 UT.
♅︎Uranus retrograde 1930· once this year
Retrograde 21 Jul – 21 Dec (22 weeks), 15°22' Aries back to 11°26' Aries; shadow from 03 Apr to 06 Apr 1931. Stations at 16:16 and 10:12 UT.
♆︎Neptune retrograde 1930· twice this year
Retrograde 06 Dec 1929 – 12 May (22 weeks), 3°35' Virgo back to 0°47' Virgo; shadow from 16 Aug 1929 to 03 Sep. Stations at 07:28 and 12:11 UT.
Retrograde 08 Dec – 15 May 1931 (22 weeks), 5°47' Virgo back to 2°59' Virgo; shadow from 18 Aug to 06 Sep 1931. Stations at 19:44 and 00:57 UT.
♇︎Pluto retrograde 1930· twice this year
Retrograde 21 Oct 1929 – 31 Mar (23 weeks), 19°37' Cancer back to 17°26' Cancer; shadow from 22 Jun 1929 to 30 Jul. Stations at 01:58 and 23:08 UT.
Retrograde 22 Oct – 02 Apr 1931 (23 weeks), 20°53' Cancer back to 18°41' Cancer; shadow from 24 Jun to 31 Jul 1931. Stations at 13:22 and 11:06 UT.
All times Universal Time (UT), from the same engine as the sky. Spells that open or close beyond the calendar year are listed with their own year on the date; the window belongs to both years and appears on both pages. On doctrine: a retrograde conditions a planet's expression; it does not doom it. The working tradition keeps no list of forbidden days, a spell that repeats a is one process rather than three misfortunes, and the shadow is context, not an extension of the sentence. The stations are the moments that matter; what a planet touches while standing still, it means.