﴿ وَأَغْطَشَ لَيْلَهَا وَأَخْرَجَ ضُحَىٰهَا ﴾

“and He has made dark its night and brought forth its light of day.”

and darkened its night and brought forth its day He exposed the light of its sun ‘night’ has been annexed to it the heaven because it represents its shade and likewise the ‘sun’ because it represents its light;