Tafsir of Ibraheem 14:33

وسخر لكم الشمس والقمر دآيبين

And He has made the sun and the moon, both constantly pursuing their courses, to be of service to you; rotating by night and by day,

وسخر لكم الليل والنهار

and He has made the night and the day to be of service to you. Allah said in other Ayat,

ﻻ الشمس ينبغى لها أن تدرك القمر وﻻ اليل سابق النهار وكل فى فلك يسبحون

It is not for the sun to overtake the moon, nor does the night outstrip the day. They all float, each in an orbit. (36:40) and,

يغشى اليل النهار يطلبه حثيثا والشمس والقمر والنجوم مسخرت بٲمره أﻻ له الخلق واﻻمر تبارك الله رب العلمين

He brings the night as a cover over the day, seeking it rapidly, and (He created) the sun, the moon, the stars subjected to His command. His is the creation and commandment. Blessed is Allah, the Lord of all that exists! (7:54) The sun and the moon rotate in succession, and the night and the day are opposites, each taking from the length of the other or giving up some of its length,

يولج اليل فى النهار ويولج النهار فى اليل

(Allah) merges the night into day, and merges the day into night. (35:13) and,

وسخر الشمس والقمر كل يجرى ﻻجل مسمى أﻻ هو العزيز الغفار

And He has subjected the sun and the moon. Each running (on a fixed course) for an appointed term. Verily, He is the Almighty, the Oft-Forgiving. (39:5) Allah said next,