"The Birth of Zoroaster" / OCCULT READS PRESENTS: "The Mysteries of Mithras: The Pagan Belief That Shaped the Christian World"

ON THIS DAY IN OCCULT HISTORY

September 1

The Birth of Zoroaster

 

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September 1st is widely listed, across calendars and quick-reference sites alike, as the birthday of Zoroaster, the Persian prophet whose teachings on cosmic dualism, judgment after death, and the ongoing struggle between light and darkness would go on to shape Judaism, Christianity, and Islam in ways most Western readers never learn in school. It's a genuinely important date to mark. It is almost certainly not the date anyone should actually mark it on, and the reason why turns out to be one of the longest-running, most genuinely unresolved arguments in the entire history of comparative religion.

Scholars have proposed dates for Zoroaster's life spanning nearly two thousand years, and the specific “6th century” tradition behind today's date has a documented, distinctly political origin story of its own…

Origins of a Mystic Seer

The version of Zoroaster's dates most commonly repeated today, placing his life around 628 to 551 BCE, traces back to a specific calculation known to scholars as the “Traditional Date.” It didn't come from Zoroaster's own era at all. According to the Encyclopaedia Iranica, the calculation originated sometime after Alexander the Great's conquest of the Achaemenid Persian Empire in 330 BCE, when the Seleucid successor kings imposed a new “Age of Alexander” calendar across the region. Zoroastrian priests, unwilling to date their own religious history from a foreign conqueror's reign, worked backward through a chain of legendary king-lists, adding up reign lengths (ninety years for Wishtaspa, one hundred twelve for Wahuman, thirty for Humay, and so on) to arrive at a tidy figure: Zoroaster had lived “258 years before Alexander.” That calculation first appears in texts written centuries after the fact and was never based on any contemporary record of Zoroaster's actual birth.

The strongest available evidence for Zoroaster's actual era comes not from priestly arithmetic but from linguistics. The Gathas, seventeen hymns widely attributed to Zoroaster himself and considered the oldest core of Zoroastrian scripture, are written in a form of Avestan so archaic that philologists have long noted its striking closeness to the Sanskrit of the Rigveda, the similarly ancient core of Hindu scripture. Since the two languages descended from a shared Proto-Indo-Iranian source and the Rigveda is generally dated to somewhere around 1700 to 1100 BCE, most modern Iranists studying the Gathas' actual grammar and vocabulary have concluded the “Traditional Date” simply cannot be correct: the language is centuries too old. Current scholarly opinion mostly clusters around 1000 BCE, give or take a century or two, with serious researchers like Gherardo Gnoli placing him near that same window based on independent historical and archaeological grounds. That's a gap of four to seven centuries between what popular calendars repeat and what the linguistic evidence in Zoroaster's own scripture actually supports.

The full spread of proposed dates is genuinely remarkable. Classical Greek writers, including Xanthus of Lydia, floated a wildly symbolic figure placing Zoroaster some six thousand years before Xerxes' invasion of Greece, a date nobody, ancient or modern, has ever taken as literal history. Nineteenth-century scholar James Darmesteter argued the opposite extreme, proposing a startlingly late date of roughly 100 BCE. Between those two poles, credible modern academics have proposed dates as early as 1700 BCE and as late as the traditional sixth century, with the respected Encyclopaedia Iranica calling the entire question “an embarrassment of long standing to Zoroastrian studies.” Few if any major religious founders anywhere in world history carry this wide a range of serious scholarly disagreement about when they actually lived.

There's a final, gentler correction worth making: the living Zoroastrian community's own calendar doesn't celebrate Zoroaster's birthday on September 1st at all! Khordad Sal, the actual annual observance of his birth, falls on the sixth day of Farvardin, the first month of the Zoroastrian religious calendar, a date that itself shifts across the Gregorian calendar depending on which of three community calendar traditions, Shahenshahi, Kadmi, or Fasli, a given community follows, landing anywhere from March to August in a given year. Zoroastrian sources themselves are refreshingly candid about what this date actually represents: a symbolic, liturgically fixed commemoration rather than a historically verified birthdate, since, as one Zoroastrian community resource puts it plainly, “the actual date of his birth cannot be accurately identified.” The believers themselves have never claimed otherwise.

None of this uncertainty diminishes Zoroaster's genuine historical importance, which rests on his ideas rather than his calendar. Whether he lived in the tenth century BCE or the sixth, he articulated a fully developed cosmic dualism, angels, a coming judgment, a struggle between a wise creator god and a destructive counterforce, that predates and plausibly shaped comparable concepts across the Abrahamic traditions that followed.

 

Modern Occultist is proud to present today's “Daily Occult Review” from our ongoing series—as part of the newly-launched Occult Reads... Today, in honor of the Persian religious current that outlived its own founder's precise date, we're recommending a deep dive into one of its most consequential later offshoots.

The Mysteries of Mithras: The Pagan Belief That Shaped the Christian World

By Payam Nabarz | Inner Traditions

Long before Mithras became one of the Roman legions' most popular mystery cults, complete with underground temples and a complex seven-grade initiatory system, he began as Mithra, a pre-Zoroastrian Persian divinity later folded into the Zoroastrian pantheon as a yazata, a being of light and covenant. Payam Nabarz traces that entire journey in careful detail, following Mithras from his Persian origins through his dramatic transformation into a rival to early Christianity across the Roman Empire, examining how thoroughly the cult's imagery and structure influenced the very tradition that would eventually eclipse it.

Nabarz, who also edits the academic journal Mithras Reader, brings genuine scholarly grounding to a subject frequently treated with more speculation than evidence, tracing the real divergence between the Eastern, Persian form of Mithra worship and its considerably transformed Western, Roman incarnation. The book includes practical rituals and meditations for readers interested in reviving elements of the Mithraic path today, alongside the historical material.

This is a book about Mithraism specifically rather than Zoroastrianism as a whole, and readers wanting a direct study of Zoroaster's own teachings will want a dedicated text on the Gathas instead. But for readers who finished today's post curious how far Zoroastrian religious ideas actually traveled, from a prophet whose birth year we still can't pin down to a mystery cult initiating Roman soldiers a thousand miles and over a thousand years away, Nabarz's book traces that remarkable journey in full.

(Every day, Modern Occultist News will present "This Day in Occult History" and your "Daily Occult Review" and will dive into the birthdays, rituals, breakthroughs, and crucial moments that shaped today’s many esoteric traditions. From the Hermetic revival to Witchcraft, from Crowley to cyberspace, we’ll bring the best stories and latest trends to today’s own modern occultists everywhere.)

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