A year and a half, always with Rahu
Ketu always transits opposite Rahu. If Ketu moves through the fourth house, Rahu moves through the tenth. This may reduce attachment to home while increasing career ambition, although the natal axis, house lords, and dasha can change the result. During its eighteen months in a sign, Ketu may bring detachment, research, solitude, technical focus, or loss of interest. Ketu through the twelfth differs from Ketu through the tenth.
What a Ketu transit tends to touch
Ketu may relate to existing skill, research, isolation, reduced interest in career, spiritual inquiry, or a body that will not respond on cue. Its transit can lower satisfaction with the occupied house or make its concerns less central. This may create useful simplicity, but it may also bring depletion or disconnection. The natal chart, Ketu's dispositor, the opposite Rahu transit, and dasha show which interpretation fits.
A Ketu transit is not a Ketu dasha
A Ketu mahadasha lasts about seven years, while Ketu transits one sign for about eighteen months. These are different timing systems. A Ketu transit during a supportive period may bring limited detachment in one area. The same transit during Ketu mahadasha can become more important. Jyotish reads both timings and always includes Rahu in the opposite house.
How to ask about a Ketu transit here
A reading compares Ketu gochara with the natal nodes, both transited houses, their lords, conjunctions, and the active dasha. Bring your date, exact time, and place of birth, then ask about the loss of interest, separation, research, spiritual concern, or role that no longer fits.

