R.H. Allen , Starnames, Their Lore and Meaning, , [1990], 77, The Jewish Nisan, our March-April, was associated with Aries, for Josephus said that it was when the sun was here in this month that his people were released from the bondage of Egypt; and so was the same month Nisanu of Assyria, where Aries represented the Altar and the Sacrifice, a ram usually being the victim.