do you not see that allah makes the night to enter into the day and he makes the day to enter into the night and he has made the sun and the moon subservient each pursues its course till an appointed time and that allah is aware of what you do?
ألم تر أن الله يولج الليل في النهار ويولج النهار في الليل وسخر الشمس والقمر كل يجري إلى أجل مسمى وأن الله بما تعملون خبير