Actually, a number of meforshim explain that it starts with the the general and then gets specific. Thus the first verse (Bereishis) refers to the entire process (all seven days).
The Art Scroll Chumash states
"In the beginning of Hashem's Creating"
This phrase is commonly rendered In the beginning Hashem created,
which would indicate that the Torah is giving the sequence of creation
... Rashi and Ibn Ezra disagree, and our translation follows their
According to Ramban and most other commentators, however, the verse is
indeed chronologocal. It begins with a general statement At the very
first moment Hashem created the heaven and Earth ... The chapter
continues the day-today process ...
As an example, see Rav Hirsch on the first pasuk.
While it is too long to quote the entire commentary we see
With this single verse, the principle and fundamental truth, the
principle and fundamental fact is reveled to us which completely
changes the point of view with which we regard the world and
ourselves. This single verse would have sufficed to teach us to think
of the world, as Hashem's world, and ourselves as creatures of Hashem,
... But the Torah is not satisfied just to announce the creation of
the world by Hashem in general, by this one vers of creation. ... That
is why the Torah leads us up to all the individual phenomena of this
earthly diversity ...
- In the beginning Hashem created the universe (shamayim va-aretz) (Pasuk 1
Pasuk 2 specifies the initial setup of "this earth" as confused and tangled (translation of Rav Hirsch)
There were seven stages to the creation (six "days" and Shabbos)
At the end of creation, human beings were created (details of how Adam and Chava were created).
Details of the beginning of the "life" of Adam and the first chet. Note that this was also before Shabbat so that it was still part of "creation".