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Valens was using a 360 day "ideal" year for this technique. Also he used 27 months for Capricorn instead of the 30 usual for Saturn and when the lots are conjunct to release Spirit from the following sign. I have programmed various options though for testing such as the solar year and whether to do the loosing of the bond after 12 major periods, but having worked with the technique since 1995, I think Valens is right.
Curtis Manwaring
Zoidiasoft Technologies, LLC

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Thanks, horarcek and Curtis! It's a beast to do the math by hand, so I will have to drop hints to my friends that Delphic Oracle would be the perfect Christmas present this year!

Much thanks for the clarification.