Hellenion’s January 2018 Festival calendar,
from https://www.hellenion.org/calendar/
Poseideon 2 – Gamelion
Year 1 of the 699th Olympiad
1 New Year’s Day; full moon
13 Libation to Hera
16 Dark of the Moon
18 Hekate’s Deipnon
19 Noumenia
20 Agathos Daimon
30 Lenaia
31 Lenaia