Every orbit has a natural motion that it has along with the forced motion, so every orbit below it has two motions at the same time, a natural motion and a forced motion, and every natural motion in every orbit has a specific day after it is measured by the days that occur from the surrounding orbit, which is expressed by the saying, “What do you count,” and all of them are cut off in the surrounding orbit, so whenever Its completion was one day for it, and the cycle goes around, so the smallest days of it are twenty-eight days of what you count, which is the amount of interruption of the movement of the moon in the surrounding orbit, and God placed these seven stars in the heavens so that sight might perceive them. He interrupted their orbit in the surrounding orbit so that we might know the number of years and the reckoning. God Almighty said, “And He decreed it in stages so that you might know the number of years.” And the reckoning and everything else, We have explained in det