Radiocarbon dating explained
The first five days of Jewish Creation week occupy the last five days of AM 1, Elul 25–29.
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.
Jews in these regions used Seleucid Era dating (also known as the "Anno Graecorum (AG)" or the "Era of Contracts") as the primary method for calculating the calendar year. Jacob then put this question: How do we know that our Era [of Documents] is connected with the Kingdom of Greece at all?
Why not say that it is reckoned from the Exodus from Egypt, omitting the first thousand years and giving the years of the next thousand? Said Rav Nahman: In the Diaspora the Greek Era alone is used.
This is also called molad Ba Ha Ra D, because it occurred on Day 2 (yom Beis), 5 (Hei) hours, 204 (Ra D) parts ( pm).
Because this is just before midnight when the Western day begins, but after 6 pm when the Jewish calendrical day begins (equivalent to the next tabular day with the same daylight period), its Julian calendar date is 6/7 October 3761 BCE (Gregorian: 6/7 September 3761 BCE or −3760).