https://astroamerica.com/houses2.html
from Unlocking Interceptions by
Helen Adams Garret
What areas of life, in other words, what houses have the interceptions?
What signs are intercepted? These are what are missing in your life.
Where are the rulers of the intercepted signs?
When the ruler of the intercepted sign is itself intercepted, and when the ruler of the intercepted sign is found in one of the pairs houses which have duplicate signs on them. Garrett's basic concept is that intercepted signs "come to light" when the house cusps behind them, by progression, catch up and change signs. Thus, if you have an intercepted sign in the first house, you fundamentally changed when the ascendant progressed into the next sign. Some "hidden part" of you became apparent at that time.
The rulers of the duplicated houses will unlock the intercepted signs.
Interceptions can be ranked. Some are more important than others. I am of the opinion that intercepted signs that have no planets in them can be ignored. No planet means no weight, means no interest in the affairs of the sign, so why bother?
Intercepted signs, with planets in them, are areas of life which were not under our direct control as of the end of the previous life. Which is why they are now "intercepted". By the end of our previous life, we had needlessly thrown the ball to the opposing team and, in this life, they are now running with it. We must struggle to reassert control. The houses ruled by intercepted planets are those areas of life, the interceptions themselves are the means by which they gained control. If those houses (the ones ruled by intercepted planets) themselves have planets in them, the result can be quite complicated.
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