Eyyaan 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. Eyyaan and Ayan are the same word with the same spelling in Arabic in the Quran, the word can be read as either Eyyaan or Ayan without changing the meaning, therefore some read it as Eyyaan and others as Ayan.