Shahrivargan (Jashan of Shahrivar), Shahrivar 4. This observance is a Zoroastrian festival held when the name of the day and the month coincide. On this date, Zoroastrians mark the occasion by gathering for ceremonies dedicated to Shahrivar, a figure associated with steadfastness and strength. Shahrivargan holds a special place among Zoroastrians in Iran and India, featuring traditional rituals, prayers, and family gatherings. The festival is an opportunity to honor the ethical and social values linked to Shahrivar and continues to be observed in the Zoroastrian calendar.