He made the moon change its shape systematically from...

He made the moon change its shape systematically from crescent to full moon and from full moon to its disappearance so that it may be possible to calculate lunar months and also to know the time of night from the rising and setting, as the Quran says: …that you might know the computation of years and the reckoning…(10:5) *** *** Likewise the verse: …nor can the night outstrip the day… (36:40) *** *** hints that days and nights are subject to the Will of Almighty God.

None can dare overtake one another. They must move in the manner decreed by the Lord, in a fixed way whereby night enters day and day in night. In the beginning of spring and autumn, days and nights are equal in length.

Thereafter from the start of autumn till the start of summer, days become longer and nights shorter and, thereafter gradually, length of days decrease and that of nights get increased until the beginning of fall when days and nights, for the second time, become equal in length and thereafter, the days becomes shorter and…