Qur’an Sura Fussilat (forty first)
“Say, is that ye deny Him Who created the earth in two days? And do ye join equals with Him? He is the Lord of all the worlds.
He set on it (earth) mountains standing firm high above, and bestowed blessings on the earth and measured therein all things to give them nourishment in due proportions. in four days in accordance with (the needs) of those who seek (sustenance)
Moreover He comprehended in His design the sky and it had been (as) as smoke: He said TO IT AND TO THE EARTH; come ye together willingly or unwillingly. They said, We do come (together) in willing obedience
So He completed them as seven firmaments in two days……Such is the decree (of Him) the exalted in Might, full of knowledge”
I have given the translation of these verses for some times ago I heard from a Non-Muslim that Qur’an has made a mistake. It says six days but then it counts 2+4+2= 8 days. It is kind of naive to say so but anybody can see four days are included within the two days and the total is six no matter how you see. I thought it may be amusing to see (For 1400 years nobody saw obvious mistake of God Who calls Himself Full of knowledge and…)
Well, there it is folks