Rahu Ketu Transit: How the Lunar Nodes Move Through the Zodiac
Unlike every other planet, Rahu and Ketu always move backward through the zodiac — a distinctive pattern that shapes how their transits are traditionally read.
Quick Answer
The Rahu Ketu transit refers to the movement of the lunar nodes through the zodiac signs, always exactly opposite each other. Unlike other planets, they move retrograde (backward) through the signs, completing a full cycle in about 18 months per sign and roughly 18 years for the full zodiac.
In This Guide
What Is the Rahu Ketu Transit?
The Rahu Ketu transit refers to how Rahu and Ketu, the two lunar nodes, move through the twelve zodiac signs over time. Since they always sit exactly 180 degrees apart, their transits are always considered as a pair — when Rahu enters a new sign, Ketu simultaneously enters the opposite sign.
Why They Always Move Backward
Rahu and Ketu are mathematical points marking where the Moon's orbit crosses the Sun's apparent path, not physical bodies — and this geometry causes them to always move retrograde (backward) through the zodiac, unlike every other graha, which mostly moves forward with only occasional retrograde periods.
Because Rahu and Ketu are always retrograde by nature, classical texts don't treat their backward motion as unusual or significant the way a Mercury or Mars retrograde is — it's simply their normal, expected movement.
How Long Each Transit Lasts
Rahu and Ketu each spend approximately 18 months in a sign before moving to the previous one, completing a full 12-sign cycle in roughly 18 years.
Traditional Interpretation
The sign and house Rahu currently transits is traditionally read for where ambition, embracing the unfamiliar, or sudden opportunity might be highlighted, while Ketu's opposite transit is read for where detachment or release themes are more active — always considered alongside the person's natal chart, not as a universal effect for everyone.
Summary: Key Takeaways
- Rahu and Ketu transit together, always exactly opposite each other.
- They always move retrograde, spending about 18 months per sign.
- A full transit cycle through all 12 signs takes about 18 years.
How PalmGuru Tracks the Rahu Ketu Transit
PalmGuru's Upcoming Planetary Changes feature calculates exactly when Rahu and Ketu shift signs, and your AI Jyotishi can explain what this transit traditionally means alongside your own natal chart.
This guide reflects traditional interpretations, provided for entertainment and self-reflection purposes only and not as medical, legal, financial, or psychological advice. See our Terms of Service.
Frequently Asked Questions
What is the Rahu Ketu transit?
The movement of the lunar nodes through the zodiac signs, always exactly opposite each other.
Why do Rahu and Ketu always move backward?
Because they are mathematical points, not physical bodies, and this geometry causes them to always move retrograde through the zodiac.
How long does Rahu stay in one sign?
Approximately 18 months, before moving to the previous sign.
How long does a full Rahu Ketu cycle take?
Roughly 18 years to complete all 12 signs.
Do Rahu and Ketu transit separately?
No, they always transit together, remaining exactly 180 degrees apart at all times.
How does PalmGuru track Rahu Ketu transits?
PalmGuru's Upcoming Planetary Changes feature calculates exactly when Rahu and Ketu shift signs.
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