Iah
Iah ( Egyptian: jˁḥ, Coptic ) is a minor ancient Egyptian moon god who eventually evolves into Khonsu. Iah is said to be a god of both time and fertility. He is most notable for creating the ancient lunar calendar. The word jˁḥ simply means "moon". It is also transliterated as Yah, Yah(w), Jah,  Jah(w), Joh or Aah.