2022

Mercury was retrograde four times in 2022, for 73 days in all: in Aquarius → Capricorn in midwinter, in Gemini → Taurus in late spring, in Libra → Virgo in late summer and in Capricorn in early winter.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC−1°/D0°/D+1°/D+2°/DI · AQUARIUS →CAPRICORN · 22 DII · GEMINI →TAURUS · 25 DIII · LIBRA →VIRGO · 23 DIV · CAPRICORN21 D2022DAILY MOTION
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Days retrograde73
Retrogrades4
Share of year20.0%
Last station29 Dec
Polar motion chart · 20222022 · 4 retrogrades · 73 d backward
Retrograde · inside zeroZero circleDaily motion

The year wound into a circle, January at the top. Distance from the centre is Mercury’s daily motion; wherever the trace dips inside the zero circle, Mercury is moving backward: four dips, four retrogrades. Each shaded block runs from the station-retrograde day to the station-direct day, both counted, in UTC; the trace is sampled at noon, so it can cross zero a day inside or outside the block.

Four retrogrades

Aquarius → Capricorn, Gemini → Taurus, Libra → Virgo, Capricorn.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
Station RStation DSignShadow inShadow outDays
14 Jan 20224 Feb 2022Aquarius → Capricorn29 Dec 202124 Feb 202222
10 May 20223 Jun 2022Gemini → Taurus26 Apr 202218 Jun 202225
10 Sep 20222 Oct 2022Libra → Virgo20 Aug 202217 Oct 202223
29 Dec 202218 Jan 2023Capricorn12 Dec 20227 Feb 202321
Total73

Every planet in 2022

Twelve retrogrades touched 2022 across the eight planets.

Saturday, 1 January2 retrograde · ♀︎ Venus in Capricorn, ♅︎ Uranus in Taurus
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC14 JAN → 4 FEB · AQUARIUS → CAPRICORN · 22 D10 MAY → 3 JUN · GEMINI → TAURUS · 25 D10 SEP → 2 OCT · LIBRA → VIRGO · 23 D29 DEC → 18 JAN ’23 · CAPRICORN · 21 D19 DEC ’21 → 29 JAN · CAPRICORN · 42 D30 OCT → 12 JAN ’23 · GEMINI · 75 D28 JUL → 23 NOV · ARIES → PISCES · 119 DSHADOW · RETROGRADE ENDED 18 OCT ’21 · 121 D4 JUN → 23 OCT · AQUARIUS · 142 DSHADOW · RETROGRADE ENDED 11 OCT ’21 · 142 D20 AUG ’21 → 18 JAN · TAURUS · 152 D24 AUG → 22 JAN ’23 · TAURUS · 152 D28 JUN → 4 DEC · PISCES · 160 DSHADOW · RETROGRADE ENDED 1 DEC ’21 · 160 D29 APR → 8 OCT · CAPRICORN · 163 DSHADOW · RETROGRADE ENDED 6 OCT ’21 · 163 D
RetrogradeShadowPointer

One row per planet. The solid band runs from the day of the station retrograde to the day of the station direct, both counted; the hatched band is the shadow on either side, from the day the planet first reaches the degree it will retreat to until the day it passes the degree where it turned. Days are UTC calendar days; a planet’s sign in the readout is its apparent geocentric longitude at noon UTC. Point at the figure, or focus it and use the arrow keys, to read any day.

Computed from the ephemeris and checked against NASA JPL Horizons; times UTC. Every planet’s 2022 windows as data: JSON · CSV · how the dates are computed

Questions

01When was Mercury retrograde in 2022?
Mercury was retrograde January 14 – February 4 in Aquarius → Capricorn; May 10 – June 3 in Gemini → Taurus; September 10 – October 2 in Libra → Virgo; December 29 – January 18, 2023 in Capricorn (station retrograde to station direct). Each window is bracketed by a pre- and post-shadow period — the full dates are in the table above.
02How many retrogrades happened in 2022?
12 retrograde windows touched 2022 across the eight planets: Mercury 4×, Venus 1×, Mars 1×, Jupiter 1×, Saturn 1×, Uranus 2×, Neptune 1×, Pluto 1×. Because the outer planets are each retrograde for four to five months at a time, some part of the sky was retrograde for most of the year.
03What is a retrograde shadow period?
The shadow (or “retroshade”) is the stretch of sky a planet covers three times: once moving forward, once apparently backward, once forward again. The pre-shadow begins when the planet first crosses the degree it will later retrograde back to; the post-shadow ends when it finally re-passes the degree where it first stationed. The ledger above lists both dates for each Mercury window, and the station chart draws the shadow of every planet’s.

Station alerts

A heads-up before every turn.

An email 3 days before the shadow and each station, one when it turns retrograde, and an all‑clear when it goes direct. Plus a note on each Mercury cazimi.

Next alert21 OctMercury stations retrograde on 24 Oct at 20° Scorpio
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