
Zaratosht No Diso, observed by Zoroastrians on the 11th day of the 10th month (Dae) in the Zoroastrian calendar, is a solemn and sacred day that commemorates the passing of the Prophet Zarathustra (also known as Zoroaster). Though the historical details of Zarathustra’s life and death remain shrouded in antiquity, the spiritual legacy he left behind continues to shine with clarity and purpose. This day is not simply a memorial, but a contemplative return to the eternal flame of wisdom, truth, and divine harmony that he ignited in the world.
Zarathustra, often regarded as one of the earliest known prophets, lived in ancient Iran and is believed to have founded what may be the world’s first monotheistic religion. His teachings, preserved in the Gathas—a collection of poetic and philosophical hymns—speak of a universe governed by Asha (truth, order) and Druj (falsehood, chaos). Through free will and righteous action, each individual plays a role in choosing which force to serve.
Zaratosht No Diso offers a moment of spiritual introspection and communal remembrance. Zoroastrians gather in fire temples to recite prayers from the Avesta, reflect upon the teachings of their prophet, and contemplate the impermanence of life. There is no mourning in the conventional sense—rather, the observance is infused with quiet reverence, gratitude, and renewed commitment to the path of truth.
Spiritually, the death of Zarathustra is not seen as an end, but as a transition into cosmic continuity. In many accounts, it is believed that he was killed while praying in a fire temple—an act symbolising that even in death, he remained in communion with the sacred flame. This powerful imagery reinforces the Zoroastrian vision of the prophet as both seer and servant, wholly aligned with divine purpose until his last breath.
Philosophically, Zaratosht No Diso highlights the Zoroastrian triad of good thoughts (Humata), good words (Hukhta), and good deeds (Hvarshta)—ethical principles that transcend doctrine and serve as a living legacy of Zarathustra’s message. On this day, followers are encouraged to reflect deeply: Have my actions honoured truth? Have my words uplifted others? Have my thoughts remained luminous?
Artistically and symbolically, the eternal fire in the temple becomes the heart of the observance. Fire, in Zoroastrianism, is not worshipped, but revered as the purest symbol of divine presence and spiritual clarity. On Zaratosht No Diso, the flame is not just a reminder of the prophet—it is a living thread that connects the community to their ancestral covenant with Ahura Mazda, the Wise Lord.
The day is also a time to honour the departed more broadly. Though there are no elaborate rituals for Zarathustra himself, families may visit dakhmas (traditional Towers of Silence) or cemeteries, offer prayers for ancestors, and engage in acts of service and remembrance. In this way, the prophet’s own passing becomes a vessel for deeper communal reflection.
Zaratosht No Diso is ultimately a quiet sanctification of memory and mission. It calls Zoroastrians not to grief, but to awakening—to remember that the most enduring tribute to a prophet is not lamentation, but embodiment of their message. It is a day to rekindle the inner flame, to walk once more in the light of Asha, and to reaffirm that through each good deed, the prophet lives on.