هُوَ ٱلَّذِى جَعَلَ ٱلشَّمْسَ ضِيَآءً وَٱلْقَمَرَ نُورًا وَقَدَّرَهُۥ مَنَازِلَ لِتَعْلَمُوا۟ عَدَدَ ٱلسِّنِينَ وَٱلْحِسَابَ ۚ مَا خَلَقَ ٱللَّهُ ذَٰلِكَ إِلَّا بِٱلْحَقِّ ۚ يُفَصِّلُ ٱلْـَٔايَـٰتِ لِقَوْمٍ يَعْلَمُونَ
huwa alladhī jaʿala l-shamsa ḍiyāan wal-qamara nūran waqaddarahu manāzila litaʿlamū ʿadada l-sinīna wal-ḥisāba mā khalaqa l-lahu dhālika illā bil-ḥaqi yufaṣṣilu l-āyāti liqawmin yaʿlamūna
It is He who made the sun a shining radiance and the moon a light, determining phases for it so that you might know the number of years and how to calculate time. God did not create all these without a true purpose; He explains His signs to those who understand.
It is He Who made the sun a shining thing and the moon as a light and measured out for it stages that you might know the number of years and the reckoning. Allâh did not create this but in truth. He explains the Ayât (proofs, evidence, verses, lessons, signs, revelations, etc.) in detail for people who have knowledge.