Mars retrograde, 2020–2040
Every Mars retrograde window from 2020 through 2040 — the exact instant each station occurs (UTC), the sidereal sign it happens in (Lahiri ayanāṁśa, the reckoning used in Jyotiṣa), and how long it lasts. Sidereal signs sit ~24° behind Western tropical signs, so these sign placements will differ from tropical tables — the dates and times are identical.
2020
| Turns retrograde | Turns direct | Sidereal sign | Duration |
|---|
| 09 Sep 2020 · 22:18 UTC | 14 Nov 2020 · 00:38 UTC | Aries → Pisces | 65 days |
2022
| Turns retrograde | Turns direct | Sidereal sign | Duration |
|---|
| 30 Oct 2022 · 13:17 UTC | 12 Jan 2023 · 20:58 UTC | Gemini → Taurus | 74 days |
2024
| Turns retrograde | Turns direct | Sidereal sign | Duration |
|---|
| 06 Dec 2024 · 23:28 UTC | 24 Feb 2025 · 02:07 UTC | Cancer → Gemini | 79 days |
2027
| Turns retrograde | Turns direct | Sidereal sign | Duration |
|---|
| 10 Jan 2027 · 12:54 UTC | 01 Apr 2027 · 14:11 UTC | Leo → Cancer | 81 days |
2029
| Turns retrograde | Turns direct | Sidereal sign | Duration |
|---|
| 14 Feb 2029 · 08:15 UTC | 05 May 2029 · 19:02 UTC | Virgo | 80 days |
2031
| Turns retrograde | Turns direct | Sidereal sign | Duration |
|---|
| 29 Mar 2031 · 00:29 UTC | 13 Jun 2031 · 11:58 UTC | Libra | 76 days |
2033
| Turns retrograde | Turns direct | Sidereal sign | Duration |
|---|
| 26 May 2033 · 23:42 UTC | 01 Aug 2033 · 14:26 UTC | Sagittarius | 67 days |
2035
| Turns retrograde | Turns direct | Sidereal sign | Duration |
|---|
| 15 Aug 2035 · 09:56 UTC | 15 Oct 2035 · 08:32 UTC | Pisces → Aquarius | 61 days |
2037
| Turns retrograde | Turns direct | Sidereal sign | Duration |
|---|
| 12 Oct 2037 · 23:03 UTC | 23 Dec 2037 · 06:39 UTC | Taurus → Aries | 71 days |
2039
| Turns retrograde | Turns direct | Sidereal sign | Duration |
|---|
| 23 Nov 2039 · 20:44 UTC | 09 Feb 2040 · 11:57 UTC | Gemini | 78 days |
Common questions
How long does Mars retrograde last?
In this table the windows run from 61 to 81 days, averaging about 73 days.
Why do these signs differ from Western retrograde tables?
The signs here are sidereal (Lahiri ayanāṁśa), the reckoning used in Jyotiṣa — about 24° behind the tropical zodiac Western sites use. The station dates and times are identical; only the sign labels shift.
How are these times computed?
Each station is the instant the planet's apparent speed crosses zero, root-found from Swiss Ephemeris positions. The method is stated below the table, so every value is reproducible — computed, not copied from an almanac.
Where do these fall in your chart? AstroAmrit maps every sky event
onto your own birth chart — which house it touches, which of your planets it meets — with every
claim cited to the computation behind it.
See these in your chart →
How this table was computed
Methodstation instants root-found on the speed-zero function (bisection, ~second precision); signs are SIDEREAL at the station instant
SourceSwiss Ephemeris sidereal positions; ingress/station epochs by bisection root-find on the sign-boundary and speed-zero functions
AyanāṁśaLahiri
Engineastroamrit seo-tables (Mars 2020–2040)
AstroAmrit is a glass box: every number on this page is reproducible from the
stated method. These are astronomical facts, not predictions. Times are instants of the event's
global maximum or exact crossing; your local civil date can differ by one day depending on timezone.