The 260-day-Tzolken-sacred-year divides for two halves, each
with 130-days. The 260-year-Tzolken-sacred-cycle also divides
for two identical 130-year portions. Regarding the
365-day-solar-year, 105-days remain and for the
365-year-solar-cycle, 105-years remain.
Primary
Ages of Adam and Seth Figure 1
365-Day Year
365-Year Cycle

260-Day-Sacred-Year with 260-Year-Sacred-Cycle
Primary Ages of Adam and
Seth Figure 1
The calendar used to record ages for the Antediluvian Patriarchs
includes two patterns of the
400-year Baktun Cycles. The
next age bracket advances the lunar/solar calendar to the
800-year
Generation Cycle era. Consider the time mentioned after
the birth of Seth, until the death of Adam.