The secondary 800-year Generation Cycle is the tool we need to resolve the genealogy following Adam. Genesis scriptures quote a primary age and a secondary age for each listed character from Adam to Noah. Collectively known as the Antediluvian Patriarchs, they have a primary age until fathering the next named character. Secondary ages measure time from fatherhood until death. Genesis 5:4 informs us that Adam lives for 800-years following the birth of Seth. Work at timeemits.com groups primary ages into one primary age category. The Antediluvian Calendar secondary age category starts with the first 800-year Generation Cycle. The secondary age category groups the secondary ages together. The secondary age category is total lunar/solar time, denoted here