and we have appointed the night and the day as two ayat . then we have obliterated the sign of the night while we have made the sign of the day illuminating that you may seek bounty from your lord and that you may know the number of the years and to count . and we have explained everything with full explanation.
وجعلنا الليل والنهار آيتين فمحونا آية الليل وجعلنا آية النهار مبصرة لتبتغوا فضلا من ربكم ولتعلموا عدد السنين والحساب وكل شيء فصلناه تفصيلا