الْحَجِّ · 61

ذَٰلِكَ بِأَنَّ ٱللَّهَ يُولِجُ ٱلَّيۡلَ فِي ٱلنَّهَارِ وَيُولِجُ ٱلنَّهَارَ فِي ٱلَّيۡلِ وَأَنَّ ٱللَّهَ سَمِيعُۢ بَصِيرࣱ‏

That is because Allah merges night into day, and He merges day into night, and verily it is Allah Who hears and sees (all things)