In Thelema, the current Aeon (the current one is the third Aeon and started from Aeon of Horus which was 1904 in the Gregorian calendar) is celebrated together with Heru-ra-ha.
Thelemaでは、Heru-ra-haと共に、現イーオン（Aeon、現在は3番目のAeonで、AeonofHorus,グレゴリオ1904年より）を祝う。