Hellenion’s January 2019 Festival calendar,
from https://www.hellenion.org/calendar/
Poseideon-Gamelion
Year 2 of the 699th Olympiad
5 Dark of the moon
7 Hekate’s Deipnon
8 Noumenia
9 Agathos Daimon
12 Libation to Hera
19 Lenaia
20 Lenaia
21 Lenaia; Full moon
22 Lenaia