Eiaan is a Quranic name for boys and girls meaning time, era, epoch. It is another version of the name Ayan, with the exact same meaning. Eiaan and Ayan are the same word with the same spelling in Arabic in the Quran, the word can be read as either Eiaan or Ayan without changing the meaning, therefore some read it as Eiaan and others as Ayan.