Deygan (15 Dey), Dey 15. This day is one of the Zoroastrian festivals recorded in the Shahanshahi calendar of Iran, known as Deygan or the Deygan festival. Deygan (15 Dey) is observed on the fifteenth day of the month of Dey and is one of the monthly Zoroastrian celebrations where the name of the day and the name of the month coincide. On this day, the day name (Dey) matches the month name (Dey), which is why Zoroastrians have chosen it as a time for commemoration and joy. Historically, Deygan (15 Dey) was marked by special rituals, including family gatherings, prayers, and expressions of gratitude for earthly and heavenly blessings. The festival served as an opportunity to strengthen social and familial bonds. In some regions, people prepared special foods and shared them with family members and neighbors to honor the occasion. Deygan (15 Dey) is also recognized as a reminder of the importance of light, truth, and purity in Zoroastrian culture. In modern times, this festival continues to be observed among followers of the Zoroastrian faith and remains part of their cultural identity. While the manner of celebration may have changed over time, the core values of honoring ethical and spiritual principles are still maintained. Deygan (15 Dey) is listed in the Shahanshahi calendar as one of the religious and cultural observances of Zoroastrians, reflecting the enduring legacy of ancient Iranian traditions.
