Jewish and dating
They can be found in the Apology to Autolycus (Apologia ad Autolycum) by Theophilus (AD 115-181), the sixth bishop of Antioch, His chronology begins with the biblical first man Adam through to emperor Marcus Aurelius, in whose reign Theophilus lived.
The chronology puts the creation of the world at about 5529 BC: "All the years from the creation of the world amount to a total of 5,698 years." Dr.
The net difference between the two major genealogies of Genesis is 1466 years (ignoring the "second year after the flood" ambiguity), 85% of the total difference.
(See Dating creation.) During the Talmudic era, from the 1st to the 10th centuries AD, the center of the Jewish world was in the Middle East, primarily in the Talmudic Academies of Babylonia and Israel.
All these events happened, according to the Alexandrian chronology, on the 25th of March; furthermore, the first two events were separated by the period of exactly 5500 years; the first and the third one occurred on Sunday — the sacred day of the beginning of the Creation and its renovation through Christ.
March 25 was considered to be the anniversary of Creation itself.
The Septuagint was the most scholarly non-Hebrew version of the Old Testament available to early Christians.
After the initial attempts by Hippolytus, Clement of Alexandria and others, the Alexandrian computation of the date of creation was worked out to be 25 March 5493 BC.
He included all the rules for the calculated calendar epoch and their scriptural basis, including the modern epochal year in his work, and establishing the final formal usage of the anno mundi era.
The first year of the Jewish calendar, Anno Mundi 1 (AM 1), began about one year before Creation, so that year is also called the Year of emptiness.
The later Latin translation called the Vulgate, an interpretative translation from the later Masoretic Text (a Jewish revision and consolidation of earlier Hebrew texts), replaced it in the west after its completion by St. 405, Latin being the most common vernacular language in those regions.
The earliest extant Christian writings on the age of the world according to the biblical chronology were therefore based on the Septuagint, due to its early availability.