he it is who gave the sun radiance and the moon light and determined the stages that you may learn the calculation of years and the reckoning of time. allah has created all this with a rightful purpose . he expounds his signs for the people who know.
هو الذي جعل الشمس ضياء والقمر نورا وقدره منازل لتعلموا عدد السنين والحساب ما خلق الله ذلك إلا بالحق يفصل الآيات لقوم يعلمون