Pillar article
Settlement Abroad Is the 12th House; Long Journeys Are the 9th
Three houses get confused. The 12th settles away. The 9th travels far. The 7th may marry far. Rahu is the graha, not a fourth house.

The 12th is the stay
Settlement abroad is the 12th house. Long-distance journeys are the 9th. Rahu, when it joins either, is the graha that makes the place foreign or unusual. The 12th lord in the 12th, or the 12th lord in the 9th, or the 9th lord in the 12th, are the usual links for a life that leaves the birth place. A strong 4th lord can keep the person rooted even if the 9th is busy, because the 4th is home. People with a busy 9th travel and return. People with a strong 12th lord in the 12th are more likely to stay. The chart does not name the country. It names the house. A passport is not a yoga.
The 7th is the foreign spouse, not the visa
The 7th lord in the 12th can mean a spouse at a distance or a marriage that takes you away. That is not the same promise as emigrating for work, which wants the 10th lord involved with the 12th or the 9th. Rahu in the 7th can marry across a border and still live at home if the 12th is quiet. Rahu in the 12th can live abroad with a local marriage if the 7th is quiet. Split the questions. Also split travel for pilgrimage, a 9th-house dharma trip, from travel for a job. Jupiter rules the 9th for several lagnas and is the karaka of long journeys and teachers. Jupiter in the 12th can be study or teaching away from home, a gentler 12th than Saturn in the 12th.
The dasha is the ticket
The move, if it happens, clusters in the dasha of the 12th lord, the 9th lord, or Rahu. Rahu's mahadasha is 18 years, long enough for a relocation to become a life. A short Sun antardasha, inside someone else's mahadasha, may be only a trip. Do not predict emigration from a single Rahu placement with no dasha. Do not predict it from a Sun sign. The lagna decides whether the sign Rahu occupies is the 12th at all. Fix the birth city and the zone offset before you fix the country of the future. Daylight saving can change the lagna and thus which house is 12th. The foreign house is a calculation. The foreign country is not in the chart.
Frequently asked questions
Is the 9th or the 12th foreign settlement?
The 12th is residence away and expenditure. The 9th is long journeys and dharma.
Does Rahu always send a person abroad?
Rahu adds a foreign or unusual tone to the house it occupies. In the 10th that can be a foreign-flavored career at home.
Can the 4th lord cancel foreign travel?
A strong 4th ties a person to home. It does not delete a 12th lord's dasha.
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D1, D9, D10, dashas, yogas, and transits, the same calculations referenced in this article.
