Mercury Retrograde 2029: Every Retrograde Window
The dates come from real ephemeris data and are given in UTC.
MERCURY · 2029
Mercury goes retrograde once in 2029
There is 1 retrograde period in 2029. The table and the year track below give the pre-shadow, retrograde and post-shadow dates of each one.
| Planet | Pre-shadow | Retrograde | Post-shadow | Sign | Year track |
|---|---|---|---|---|---|
| Mercury | December 21, 2028 | January 7, 2029 – January 27, 2029 | February 16, 2029 | Aquarius | January 7, 2029 – January 27, 2029 |
RETROGRADE WINDOWSHADOW PERIODTHE TRACK SPANS 2029
SHADOW
WHAT ARE THE SHADOW PERIODS?
Before a planet turns retrograde it passes, for the first time, over the degrees it will later walk back: that stretch is the pre-shadow. After the retrograde ends it crosses those same degrees a third time, and that stretch is the post-shadow. This is why the effect begins and ends gradually rather than all at once — and why the calendar keeps the three columns apart.