"That is because Allah makes the night enter into the day, and makes the day enter into the night," and it is the taking by each one of them from the other.
﴿ذَلِكَ بِأَنَّ اللَّهَ يُولِجُ اللَّيْلَ فِي النَّهَارِ وَيُولِجُ النَّهَارَ فِي اللَّيْل﴾ وَهُوَ أَخذ كل وَاحِد مِنْهُمَا من صَاحبه