Mazgu Ghamusi
a Kufuma mu Okutobala 607 B.C.E., kuzakafika mu Okutobala 1 B.C.E. pakajumpha vyaka 606. Kufuma mu Okutobala 1 B.C.E., kuzakafika mu Okutobala 1914 C.E. pakajumpha vyaka 1,914. Para tasazga pamoza vyaka 606 na vyaka 1,914, tikusanga vyaka 2,520. Kuti mumanye vinandi vyakukhwaskana na kubwangandulika kwa Yerusalemu mu chaka cha 607 B.C.E., wonani nkhani ya mutu wakuti “Chronology” mu Insight on the Scriptures, Buku 1, lakupharazgika na Ŵakaboni ŵa Yehova.