The ninth Iranian month is called Azar, meaning 'Atash' or fire. The guardianship of the month has been designated to a goddess known as Azar. Zoroastrians celebrate the ninth day of Azar with a festival known as 'Azargan'.
Fire was so important to them that they created a goddess for it. Sanctity of fire has an ancient origin. All the tribes on the earth have praised the fire. Progress made by the human race is dependent on fire, which also produces steam and electricity.