Zoroaster Moses, Jesus and Muhammad had all brought them, so why did you not believe in any of these prophets, having believed in Zoroaster, through the tales that came to you about him, informing that he brought forth what others did not?” Ahmadi Muslims view Zoroaster as a Prophet of God and describe the expressions of Ahura Mazda, the god of goodness, and Ahraman, the god of evil, as merely referring to the coexistence of forces of good and evil enabling humans to exercise free will. Mirza Tahir Ahmad, the fourth Caliph of the Ahmadiyya Muslim Community, in his book "Revelation,
Zoroaster that the chronological calculation for Zoroaster was developed by Persian magi in the 4th century BCE, and as the early Greeks learned about him from the Achaemenids, this indicates they did not regard him as a contemporary of Cyrus the Great, but as a remote figure. Some later pseudo-historical and Zoroastrian sources (the "Bundahishn", which references a date "258 years before Alexander") place Zoroaster in the 6th century BCE, which coincided with the accounts by Ammianus Marcellinus from 4th century CE. The traditional Zoroastrian date originates in the period immediately following Alexander the Great's conquest of the Achaemenid Empire in