Khordad Sal (Birth of Zarathushtra), Farvardin 6. This day in the Zoroastrian calendar marks the birthday of Zarathushtra, the founder of the Zoroastrian faith. Zoroastrians observe the occasion with special rituals, gatherings, and prayers, reflecting on the teachings and legacy of Zarathushtra. Khordad Sal holds cultural and religious significance among Zoroastrians in Iran and India, serving as an opportunity to emphasize the ethical and spiritual values of the tradition. The observance often includes family and community participation, traditional foods, and music in some regions.