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It might be of interest to know that the Jews did not compose the 7-day Creation Week with the Hexaemron in mind (which is generally a Christian/Western invention from the faith of my forefathers, the Roman Catholics).
The first chapter of Genesis was the last portion of the Torah to be written, as it was the Introduction or Foreword to the work after the redaction and editing of the Torah was completed after the Exile. It is a mythological cosmology that introduces God in anthropomorphic form performing mitzvot in his creation of the "heavens and the earth," limiting his activity to 6 days and then resting on the Sabbath as if God is under obligation to observe the Torah itself.
The idea is that God is but another character like any other in this story and follows his yetzer ha-tov, his inner impulse to do what is "good," accomplishing good works on each day of the week, filling his days doing what is "very good" (Genesis 1:31), but stopping to do what the Mosaic Law commands, and resting from his works on the 7th day.--Genesis 2:1-3.
In this preface, God creates the first Jews--not the first human beings in general (Adam and Eve are the ancestors of Abraham and Sarah, and they are merely placed into this narrative like God is)--and they are said to be made "in the image of God." (Ge 1:26-27) Being that this is the Mosaic Law, the Torah, and not a history book, this is giving legal instruction to the Jewish people only, telling the Jews that they are meant to copy God, in whose "image" they were meant to follow: God does good works every day, six days a week, and then rests on the Sabbath, so Jews are supposed to do the same, working for 6 days but resting on the Sabbath.
A theology had been built to attempt to make sense of why the Jews ended up in exile. While the Jews have since abandoned it today, at the time it fueled the creation of the written Torah itself, namely the belief that God had punished the Jews for failure to obey the Mosaic Law in the first place, especially in keeping the Sabbath.--2 Chronicles 36:21.
Believing that strict worship of God via adherence to the Torah would prevent another national disaster should the Jews ever get to return to their homeland, this mythological cosmology was placed as the introduction to the Torah, teaching the Jews that it was part of their created nature, their yetzer ha-tov to obey the Torah, perform mitzvot daily, filling every day of the week by doing what was "very good" like God, and on the 7th day, resting on the Sabbath. The idea is that this was literally "built into the cosmological makeup" and could be seen with the passing of the heavenly bodies that kept note of the passing days until the Sabbath arrived.
It had nothing to do with explaining how the literal universe came into being or even explaining the origin of life for the Gentiles, which the original writers could have cared less about. In fact, the following narrative, the Garden of Eden expulsion, is actually about losing the first Temple/Promised Land due to breaking the Law and being sent "east of Eden" (Babylon) upon the development of Adam and Eve's yetzer ha-ra, inclination to defy the Torah.
Only later would Jewish commentators expand via allegory these characterizations as illustrative to humanity in relation to God, but never wholy applicable. Only the third creation myth, the Noachin Flood, involves Gentiles on a universal scale, with the Noahide Laws being added afterwards. But again, it is not to be considered as historical either.