Dating creation for the creation by using ancient sources or records of mythological figures. Since Inachus was dated 400 years after the flood of Ogyges and that Ogyges himself was considered a Titan or a primordial Autochthon "from earliest ages", some ancient Greek or Romans dated the creation (beginning with Chaos or Gaia) only a few hundred years before Ogyges (2376–2050 BC). Most ancient Greeks, however, did not subscribe to such a literalist view of using mythology to attempt to date the creation; Hecataeus of Miletus was an early ancient Greek logographer who strongly criticised this method, while Ptolemy wrote of such
Dating creation an "immense period" of time before the historical period (776 BC), and thus believed in a much greater age for the creation. Among the ancient Greek and Roman philosophers there were different opinions and traditions pertaining to the date of the creation. Some philosophers believed the Universe was eternal, and actually had no date of creation. Zoroastrianism involves a 12,000-year cosmogony and chronology, often divided into four ages as outlined in the Bundahishn. The first age lasted for 3,000 years and included the "spiritual" creation by Ahura Mazda, followed by the "physical" creation of 3,000 years when evil entered the