Sadeh (Adar-Jashan), Bahman 10. This festival is an important Zoroastrian observance held annually on Bahman 10. Sadeh means 'hundred' and marks one hundred days before Nowruz. On this day, Zoroastrians gather to light large fires and hold special ceremonies, emphasizing the significance of fire and light in Zoroastrian tradition. Historically, Sadeh (Adar-Jashan) symbolized the triumph over cold and darkness, and it continues to be observed in some regions of Iran and among Zoroastrian communities today. The event features family gatherings and traditional rituals, playing a key role in preserving the cultural and religious identity of the Zoroastrian community.