In Zoroastrian mythology, the "good" state of mind that accomplishes duty. He is one of the six Amesha Spentas of Zoroastrianism. He represents all animals from creation, especially cattle. Vohu Manah is of neuter gender in Avestan grammar but in Zoroastrian tradition is considered masculine. The second day of every month and the eleventh month are dedicated to him. His eternal opponent is the demon of evil thought, Aka Manah.