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 2099· three 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 15 Feb – 09 Mar (3 weeks), 12°20' Pisces back to 27°33' Aquarius; shadow from 31 Jan to 29 Mar. Stations at 14:51 and 15:51 UT.
Retrograde 17 Jun – 11 Jul (3 weeks), 13°51' Cancer back to 4°41' Cancer; shadow from 01 Jun to 26 Jul. Stations at 12:40 and 15:19 UT.
Retrograde 13 Oct – 03 Nov (3 weeks), 11°11' Scorpio back to 25°26' Libra; shadow from 23 Sep to 19 Nov. Stations at 14:33 and 08:57 UT.
♀︎Venus retrograde 2099· not retrograde this year
Venus holds a straight course through 2099; no spell, no shadow, no station to mark.
♂︎Mars retrograde 2099· once this year
Retrograde 13 Sep – 18 Nov (9 weeks), 2°29' Taurus back to 19°20' Aries; shadow from 29 Jul to 07 Jan 2100. Stations at 23:05 and 11:45 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 2099· once this year
Retrograde 07 Jan – 09 May (17 weeks), 23°15' Virgo back to 13°16' Virgo; shadow from 12 Oct 2098 to 07 Aug. Stations at 09:10 and 14:21 UT.
♄︎Saturn retrograde 2099· once this year
Retrograde 22 Jan – 09 Jun (20 weeks), 14°15' Libra back to 7°28' Libra; shadow from 19 Oct 2098 to 15 Sep. Stations at 16:49 and 08:02 UT.
♅︎Uranus retrograde 2099· once this year
Retrograde 26 Jul – 26 Dec (22 weeks), 21°40' Aries back to 17°43' Aries; shadow from 08 Apr to 12 Apr 2100. Stations at 23:18 and 16:17 UT.
♆︎Neptune retrograde 2099· twice this year
Retrograde 16 Dec 2098 – 23 May (22 weeks), 15°08' Virgo back to 12°21' Virgo; shadow from 26 Aug 2098 to 14 Sep. Stations at 19:44 and 04:01 UT.
Retrograde 19 Dec – 25 May 2100 (22 weeks), 17°20' Virgo back to 14°33' Virgo; shadow from 29 Aug to 16 Sep 2100. Stations at 04:58 and 16:24 UT.
♇︎Pluto retrograde 2099· twice this year
Retrograde 02 Aug 2098 – 14 Jan (24 weeks), 3°22' Taurus back to 1°23' Taurus; shadow from 31 Mar 2098 to 16 May. Stations at 03:51 and 14:54 UT.
Retrograde 03 Aug – 15 Jan 2100 (24 weeks), 4°20' Taurus back to 2°21' Taurus; shadow from 01 Apr to 17 May 2100. Stations at 10:30 and 20:19 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.