A retrograde planet is not moving backwards. It appears to move backwards against the stars because we are watching it from a planet that is also moving, and the two motions combine. Nothing changes about the planet itself when it stations.
Vedic astrology and popular Western astrology draw opposite conclusions from this. The classical Sanskrit term is vakri, and a vakri planet is treated as strong — retrogradation is one of the six components of the classical strength calculation. The idea that a retrograde planet malfunctions is not a Vedic idea.
Which planets do it, and why
Mercury, Venus, Mars, Jupiter and Saturn go retrograde. The Sun and the Moon never do. Rahu and Ketu are always retrograde and never station, because their backwards motion is real rather than apparent.
For the outer planets — Mars, Jupiter, Saturn — retrogradation happens when the Earth, on a faster inner orbit, overtakes them. During the overtaking the outer planet appears to slide backwards, which is why an outer planet is always retrograde around the time it is opposite the Sun, and therefore also at its brightest and closest.
For Mercury and Venus, which orbit inside the Earth, the apparent reversal happens as they pass between the Earth and the Sun. This is why Mercury and Venus are never retrograde when far from the Sun in the sky.
The frequencies follow from the orbits. Mercury retrogrades three or four times a year for about three weeks. Venus does so roughly every eighteen months for about six weeks. Mars every two years or so for two to three months. Jupiter and Saturn each once a year, for about four months in Jupiter’s case and four and a half in Saturn’s.
Where things stand in 2026
Saturn is retrograde from 28 July to 12 December 2026, moving backwards from about 19 degrees of Pisces to about 13. It stays inside Pisces the whole time, so no sign change is undone.
Jupiter turned direct on 12 March 2026 in Gemini, moved into Cancer in early June, into Leo in early November, and stations retrograde again around 14 December — after which it retrogrades back out of Leo and into Cancer in January 2027.
That last detail is the kind of thing retrogradation does to transit tables. A planet can enter a sign, be reported as having entered it, and then leave again. Anyone tracking a Jupiter transit across a sign boundary in late 2026 will see it cross three times before it settles.
Vakri Bala: why the tradition reads it as strength
Classical Vedic astrology assesses a planet’s total strength through Shadbala, six components combined into a single figure. One of those components is Chesta Bala, motional strength, and a retrograde planet scores at or near maximum on it.
The reasoning is straightforward once stated. A retrograde planet is close to the Earth, bright, and lingering — it stays in the same few degrees for weeks or months instead of passing through. The tradition reads proximity and persistence as strength, and it is hard to argue that a planet doing something unusual and staying to do it is operating weakly.
What the tradition adds is a note about direction. A retrograde planet is read as turning its significations inward or backward: revisiting, reworking, recovering, returning to something unfinished. Strong, but pointed at the past rather than the future.
The disputed rule
There is a well-known claim that a retrograde debilitated planet behaves as exalted, and a retrograde exalted planet as debilitated. It appears in some later texts and is repeated widely.
It is not universally accepted. Several authorities reject the second half outright — the notion that retrogradation weakens an exalted planet sits badly with Chesta Bala treating retrogradation as strength. Others apply the first half only, treating retrogradation as one more route to Neecha Bhanga alongside the standard cancellation conditions.
The honest position is that this is a genuine disagreement in the tradition rather than a settled rule, and a reading that applies it should say so.
What Vedic practice does not say
The popular Western treatment of Mercury retrograde — a period when devices fail, contracts go wrong and travel is disrupted, applying to everyone at once — has no classical Vedic equivalent. There is no scriptural prohibition on signing or travelling during a retrograde period.
For timing a specific action, the Vedic system has its own dedicated machinery: muhurta, which weighs tithi, nakshatra, yoga, karana and weekday for the particular moment, and Rahu Kaal for the daily window to avoid. Those are the tools the tradition actually supplies for the question, and they are considerably more specific than a blanket three-week caution.
Where retrogradation legitimately enters a Vedic reading is in the birth chart — a natal retrograde planet, read as strength turned inward — and in judging the strength of a transiting planet. Not as a general warning about a period.
A natal retrograde planet
Roughly a fifth to a quarter of charts have at least one, so it is common rather than remarkable. The classical reading is that the planet’s significations are approached indirectly, revisited, or developed unusually — a person who arrives at that department of life by an unconventional route and often with more depth than a direct approach would give.
As always, this is modified by everything else about the planet: its dignity, the houses it rules from the Lagna, its position in the Navamsa, and whether its dasha has run. Retrogradation on its own is a note, not a conclusion.
Common questions
Should I avoid signing contracts during Mercury retrograde?
Classical Vedic practice offers no such rule. If you want to time a document, the tradition’s answer is to pick a muhurta and avoid Rahu Kaal, which addresses the specific moment rather than a three-week window shared by everyone on Earth.
Why do the Sun and Moon never retrograde?
Because the apparent reversal comes from the Earth’s motion relative to another orbit. The Sun’s apparent path is the Earth’s own orbit seen from inside, and the Moon orbits the Earth directly. Neither geometry produces the overtaking effect.
Is a retrograde planet in transit stronger or more difficult?
By the classical strength calculation, stronger. Whether that is welcome depends on which houses the planet rules and where it is transiting from your Moon sign. A strong planet transiting a favourable house is good news; a strong one transiting the 8th is not improved by being strong.
What is a stationary planet?
The point where a planet’s apparent motion reverses, so its longitude barely changes for a few days. Some practitioners treat the stations as the most concentrated part of a retrograde period, since the planet is holding a single degree for an extended time.
The retrograde dates given here are computed from planetary positions and can be checked against any ephemeris. The interpretations attached to retrogradation are the traditional readings of the classical literature, not predictions about events.
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