Ahura Mazda was the supreme, uncreated God. He who created the Heavens and the Earth, and another son of Zurvan , in the state religion of the sassanides, Zurvanism, in the 3rd - 7th century CE. As leader of the Heavenly Host, the Amesha Spenta, he battles Ahriman and his followers to rid the world of evil, darkness and deceit.
Meaning and Purpose
The word Ahura means Light and Mazda means Wisdom. Thus Ahura Mazda is the Lord of Light and Wisdom. Ahura Mazda is the Creator and upholder of Truth. Ahura Mazda is an Omniscient (though not Omnipotent) god, who would eventually destroy evil. Ahura Mazda's counterpart Angra Mainyu, the evil spirit and the creator of evil who will be destroyed before frashokereti (the destruction of evil).