Hellenion’s April 2017 Festival calendar, from https://www.hellenion.org/calendar.html   Mounykhion-Thargelion   Year 4 of the 698th Olympiad   3 Delphinia 8 Libation to Artemis 11 Full Moon 13 Mounykhia 16 Olympeia 22 Earth Day 26 Dark of the Moon 27 Hekate’s Deipnon 28 Noumenia 29 Agathos Daimon