Aban Day, Abangan Festival, Aban 10. This festival is an ancient Iranian observance held on the tenth day of the month of Aban. Abangan is dedicated to water and the water deity Anahita, with roots in Zoroastrian traditions. On this day, people would gather by rivers and springs, reciting prayers for the purity and abundance of water, highlighting the significance of water in their lives. Historically, the Abangan Festival played an important role in Iranian culture, and today it is still observed by some families and Zoroastrian communities.