وَهُوَ ٱلَّذِي جَعَلَ ٱلَّيۡلَ وَٱلنَّهَارَ خِلۡفَةٗ لِّمَنۡ أَرَادَ أَن يَذَّكَّرَ أَوۡ أَرَادَ شُكُورٗا
Wahuwa allathee jaAAala allayla waalnnahara khilfatan liman arada an yaththakkara aw arada shukooran
And it is He who has made the night and the day in succession for whoever desires to remember or desires gratitude