Deygan (8 Dey), Dey 8. This day is one of the Zoroastrian festivals recognized in the Shahanshahi calendar of Iran. Deygan occurs when the name of the day and the name of the month coincide in the Zoroastrian calendar; in this case, both are named Dey. This alignment takes place on the eighth day of the month of Dey, which is why the day is known as the second Deygan. The observance of Deygan (8 Dey) among Zoroastrians involves specific rituals. Families and community members gather, light fires, and recite passages from the Avesta as acts of prayer and thanksgiving. The ceremonies are often accompanied by sharing traditional foods and family visits. Like other Deygan festivals, this day emphasizes the importance of light, truth, and social bonds within Zoroastrian culture. Historically, Deygan (8 Dey) has held both religious and social significance. The festival provided an opportunity to strengthen community ties and reflect on ethical values. Today, the day continues to be observed by Zoroastrians in Iran and in diaspora communities, serving as a living part of Zoroastrian religious and cultural heritage.