2034

Mercury is retrograde three times in 2034, for 69 days in all: in Aquarius in midwinter, in Gemini in late spring and in Libra in early autumn.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC−1°/D0°/D+1°/D+2°/DI · AQUARIUS22 DII · GEMINI25 DIII · LIBRA22 D2034DAILY MOTION
Drag round the ring to read a day
Days retrograde69
Retrogrades3
Share of year18.9%
Next2 Feb
Polar motion chart · 20342034 · 3 retrogrades · 69 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: three dips, three 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.

Three retrogrades

Aquarius, Gemini, Libra.

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
Station RStation DSignShadow inShadow outDays
2 Feb 203423 Feb 2034Aquarius18 Jan 203416 Mar 203422
2 Jun 203426 Jun 2034Gemini18 May 203410 Jul 203425
30 Sep 203421 Oct 2034Libra9 Sep 20345 Nov 203422
Total69

Every planet in 2034

Eleven retrogrades touch 2034 across the eight planets.

Sunday, 1 January2 retrograde · ♄︎ Saturn in Cancer, ♅︎ Uranus in Cancer
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC2 FEB → 23 FEB · AQUARIUS · 22 D2 JUN → 26 JUN · GEMINI · 25 D30 SEP → 21 OCT · LIBRA · 22 D30 SEP → 11 NOV · SCORPIO → LIBRA · 43 D3 AUG → 29 NOV · ARIES · 119 DSHADOW · RETROGRADE ENDED 23 OCT ’33 · 121 D2 NOV ’33 → 16 MAR · CANCER · 135 D16 NOV → 30 MAR ’35 · LEO → CANCER · 135 D11 OCT ’33 → 10 MAR · CANCER · 151 D16 OCT → 14 MAR ’35 · CANCER · 150 D25 JUL → 30 DEC · ARIES · 159 DSHADOW · RETROGRADE ENDED 28 DEC ’33 · 159 D19 MAY → 29 OCT · AQUARIUS · 164 DSHADOW · RETROGRADE ENDED 27 OCT ’33 · 164 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 2034 windows as data: JSON · CSV · how the dates are computed

Questions

01When is Mercury retrograde in 2034?
Mercury is retrograde February 2 – February 23 in Aquarius; June 2 – June 26 in Gemini; September 30 – October 21 in Libra (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 happen in 2034?
11 retrograde windows touch 2034 across the eight planets: Mercury 3×, Venus 1×, Jupiter 1×, Saturn 2×, 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 is retrograde for most of the year.
03Which planets are not retrograde in 2034?
Mars runs direct all year — its next retrograde starts August 15, 2035 in Pisces.
04What 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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