55:5 Ar-Rahmaan 5 ٱلشَّمْسُ وَٱلْقَمَرُ بِحُسْبَانٍ ﴿٥﴾ Alshshamsu waalqamaru bihusbanin The sun and the moon run on their fixed courses (exactly) calculated with measured out stages for each (for reckoning, etc.). The Noble Quran