Normal MT · no +60 Terah · derived Year-6 heads
Three ways to attach the chain near the Flood
Methuselah death2458 BCRegular anchor
Add 6848First 8 lifespans · count backward
Derived head9306 BCYear-6 position
Lamech death2463 BCRegular anchor
Add 7625First 9 lifespans · count backward
Derived head10088 BCYear-6 position
Arphaxad birth2456 BCRegular anchor
Add 9175Adam through Shem · count backward
Derived head11631 BCYear-6 position
Anchor + completed lifespan prefix = head
Each row is a separate placement. Week opening = head + 5; close = head − 2.
Each row is a separate placement. Week opening = head + 5; close = head − 2.
Figure 4. For each attachment, add the completed lifespan prefix to the chosen regular date. The three heads are separate derived placements of the same chain. Each head is a Year-6 position; its week opening is five years earlier and its close two years later. Spacing is schematic.
Sources: File 18 §§2.1–2.3 and 6A · File 09 §0.3.1.
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