Browse Iranica ĀBĀNAGĀN TypeCross-referenceLast UpdatedMay 18, 2022PublishedSeptember 19, 2020 Print citeshare ABANAGAN, the name used by Bīrūnī (Āṯār, p. 224) for the Zoroastrian feast-day dedicated to the Waters, which was celebrated on the day Ābān of the month Ābān. See further under ĀBĀN MĀH.