Welcome to ISF Mohamed.
I'd read that as six days myself, two days to form the planet and then four shaping the surface and stocking it with flora and fauna. It seems to be two separately described operations. These gods eh? Fine for making planets but they all seem to cut corners when it comes to writing a clear user manual!
I wrote the following piece on the six day creation myth some years ago....
It is clear that the quran is echoing the bible on the matter of the six days of creation, and the bible also says that a day in the sight of God is as a thousand years to us. This means that both the bible and the quran are saying that God created the heaven and earth in six thousand years. As this is obviously not the case, I put it to you that the real source of the creation myth as it appears in the quran is in fact the bible.
We know the universe has existed for around fourteen billion years, and we have hubble space telescope pictures of the edge of the universe to prove it.
We also know that the age of the earth is around four billion years, so we know that the universe existed for ten billion years before the earth was formed. We also know that the earth is made of atoms that were formed in the first stars, and ejected into space after they exploded. So planets could not even have been created for the first few billion years of the universe, because there were no heavy atoms in existence. So the bible is wrong and the quran exactly repeats this mythology.
Quran, surah 7.54 Lo! your Lord is Allah who created the heavens and the earth in six days.
Quran, surah 10.3 Lo! your Lord is Allah who created the heaven and earth in six days.
Quran, surah 11.7 And He it is. Who created the heavens and the earth in six days.
Quran, surah 25.59 Who created the heaven and earth and all that is between them in six days.
Quran, surah 50.38 And surely We created the heaven and earth, and all that is between them, in six days.
Quran, surah 57.4 He it is Who created the heaven and earth in six days.
Quran, surah 22.47 A day in the sight of the Lord is like a thousand years of your reckoning.
Quran, surah 32.4 Allah it is who created the heaven and earth, and that which is between them, in six days. The he mounted the throne. You have not beside him a protecting friend or mediator. Will you not then remember?
Quran, surah 32.5 He directs the ordinance from the heaven unto the earth; then it ascends unto him, in a day whereof the measure is a thousand years of that you reckon.
Here are the bible sources for these texts.
Bible, Genesis 1.31 And God saw everything that he had made, and behold, it was very good. And the evening and the morning were the sixth day.
Bible 2Peter 3.8 But beloved, be not ignorant of this one thing, that one day is as with the Lord as a thousand years, and a thousand years as one day.