"[He] causes the night to enter the day, and causes the day to enter the night." It means the taking of each one of them from its companion.
﴿يُولِجُ اللَّيْلَ فِي النَّهَارِ وَيُولِجُ النَّهَار فِي اللَّيْل﴾ هُوَ أَخْذُ كُلِّ وَاحِدٍ مِنْهُمَا من صَاحبه
