The sons born of the womb of Danu, daughter of Dakṣa, and sired by Kaśyapa (Kasyapa) Prajāpati (Prajapati; Ruler of the people) Aruṇa (Aruna) was one of them. According to Vāyupurāṇa (Vayupurana) and Brahmāṇdapurāṇa (Brahmandapurana), it is known that Aruṇa stay in the chariot of the Sun-god in the months of Śrāvaṇa (Sravana) and Bhādra (Bhadra) (months that more or less correspond to August and September).