South Node of Moon
The shadow planet of liberation — past-life wisdom, detachment, moksha, and the fire of spiritual insight.

Find out which zodiac sign Ketu was in on your birth date. This influences your personality according to Vedic astrology.
| Sanskrit Name | केतु |
| English Equivalent | South Node of Moon |
| Mantra | Om Ketave Namah — Om Sram Srim Sraum Sah Ketave Namah |
| Beej Mantra | Om Sram Srim Sraum Sah Ketave Namah |
| Nature (Guna) | Krura (Malefic) — fiery, dry, detaching, spiritualising |
| Ruling Day | Tuesday (shared with Mars in some traditions) — some traditions: Saturday |
| Colour | Smoky / Variegated / Grey |
| Gemstone | Cat's Eye (Lehsunia / Vaidurya) |
| Metal | Lead / Mixed metals |
| Direction (Disha) | North-West |
| Exalted (Uchcha) | Scorpio (Vrishchika) per most Parashara-based schools; Sagittarius in some South Indian traditions |
| Debilitated (Neecha) | Taurus (Vrishabha) per most Parashara-based schools; Gemini in some traditions |
| Own Signs (Swakshetra) | Not universally agreed across classical texts |
| Mool Trikona | Not clearly defined in classical texts |
| Mahadasha Period | 7 years (Vimshottari) |
| Presiding Deity | The immortal headless body of Swarbhanu — also associated with Ganesha and Chitragupta |
| Body Parts Governed | Spine, Wounds, cuts, mysterious illnesses, sudden injuries, past-life karmic residues, and conditions difficult to diagnose. |
Ketu is the South Node of the Moon — the second Chaya Graha (shadow planet) — and exists as the axis-twin of Rahu, always exactly 180° opposite. Where Rahu is the head (obsessive hunger, worldly desire, the future), Ketu is the tail (past-life completion, detachment, liberation). Ketu represents what the soul has already mastered in previous lifetimes — and therefore what it carries as an innate gift and what it now needs to release in order to progress further.
Ketu has a deeply spiritual quality unlike any other Graha. It is associated with Moksha (liberation), renunciation, past-life karma, psychic gifts, mystical ability, and the capacity for deep spiritual insight. Where Rahu reaches outward in hungry ambition, Ketu turns inward in seeking what is real, permanent, and ultimately free from illusion. Ketu dissolves what it touches — breaking down ego structures, material attachments, and worldly identifications in service of something deeper.
The Ketu person has often already 'done' whatever the house Ketu occupies represents — there is a past-life mastery and a present-life detachment. This is why Ketu in a house often produces both unusual gifts AND a peculiar lack of interest or satisfaction in that house's domain. The 12th house is considered Ketu's most powerful and auspicious placement — the planet of liberation in the house of liberation creates the most Moksha-oriented combination in Vedic astrology.
Want to understand how Ketu functions specifically in your chart — its house, sign, aspects, and Dasha timing? The astrologers on Atri Astrology provide detailed Graha readings built from your complete birth chart.
Gemstone recommendations should always be made by an experienced Vedic astrologer after examining the full birth chart. A gemstone that strengthens a malefic planet or Dusthana lord can cause harm. Consult an astrologer on Atri Astrology before wearing any Navagraha gemstone.
| House | General Effect |
|---|---|
| 1st | Spiritual or unusual personality, past-life wisdom, physical health sensitivity |
| 3rd | Past-life writing or artistic gifts, spiritual communication, detachment from siblings |
| 6th | Past-life healing ability, spiritual service, dissolution of debts over time |
| 8th | Extraordinary spiritual insight, past-life occult knowledge, liberation through 8th house transformation |
| 9th | Deep innate spiritual understanding, detachment from conventional religion, past-life guru connection |
| 11th | Spiritual approach to gains, income in unusual ways, limited elder sibling connection |
| 12th | Spiritually powerful placement — liberation through detachment, Moksha-oriented, past-life completion |
Note: These are general indications. Always assess a Graha's placement in the full chart context — house lordship, sign, dignity, aspects, and Dasha period all modify the result significantly.
Ketu is the South Node of the Moon — representing past-life karma, spiritual inheritance, detachment, mystical gifts, and the path to Moksha (liberation). It shows what the soul has already mastered in previous lifetimes. Ketu dissolves worldly attachments and turns the native inward. It is the most spiritually oriented of all the Navagrahas.
The 12th house is the Moksha Bhava — the house of spiritual liberation. Ketu is the planet of Moksha and detachment. Their combination — Ketu in the 12th — creates a powerful Moksha-oriented placement in Vedic astrology. It indicates a soul that is nearing the completion of its cycle of rebirths, with deep past-life spiritual accomplishment and a strong pull toward final liberation in this or a nearby lifetime.
Rahu is the head — obsessive worldly hunger, material ambition, foreign desire, and the future. Ketu is the tail — past-life completion, spiritual detachment, psychic gifts, and liberation. Rahu craves; Ketu renounces. Rahu creates attachment; Ketu dissolves it. Together they form the karmic axis of the chart — Rahu shows what the soul is reaching toward in this life; Ketu shows what it already knows and is meant to release.
Ketu Mahadasha lasts 7 years — the same duration as Mars Dasha, reflecting their astrological similarity. It is typically a period of inward turning, spiritual development, release of worldly attachments, and sometimes sudden disruptive events that force the native toward deeper authenticity. A well-placed Ketu Dasha can bring exceptional spiritual insight, research ability, and the completion of karmic cycles. An afflicted Ketu Dasha can bring confusion, health issues related to Ketu's body parts, and a sense of purposelessness that pushes toward spiritual seeking.
Ketu's strength is assessed through its sign placement (exalted in Scorpio or Sagittarius in different classical traditions), house placement (12th, 8th, and 9th are its most positive positions for spiritual matters; 3rd, 6th, and 11th are Upachaya positions for worldly results), the sign lord's strength (as Ketu absorbs its dispositor's energy), and aspects from benefic planets. An astrologer on Atri Astrology can give a precise assessment of Ketu's strength and specific effects in your chart.