
1) Festival in ancient Greece 2) Non-Gregorian July observance 3) Non-Gregorian May observance
Found on
https://www.crosswordclues.com/clue/noumenia

== History == The Noumenia was the first day of the lunar month and also a religious observance in ancient Athens and much of Greece. The Noumenia was marked when the first sliver of moon was visible and was held in honor of Selene, Apollon Noumenios, Hestia and the other Hellenic household Gods. The Noumenia was also the second day in a three day...
Found on
http://en.wikipedia.org/wiki/Noumenia
No exact match found.