Hekatombaion/Creteon – July/August
Metageitnion/Diomedeon – August/September
20-Sacrifice to Hera, the Goddess of Charm/Hera Thelchinia
Boedromion/Hippeon – September/October
Pyanepsion/Gereon – October/November
Maimakterion/Hespereon – November/December
Poseideon/Cerbreon – December/January
Gamelion/Nemeaneon – January/February
1 to 30-Month Sacred to Hera
26-Sacred Marriage of Hera and Zeus
27-Festival of Hera Teleia and Zeus Teleios
Anthesterion/Lerneon – February/March
Elaphebolion/Archaedeon – March/April
Mounichion/Erymantheon – April/May
Thargelion/Augeon – May/June
Skirophorion/Stymphaleon – June/July
Sources
Parke, H. W. Festivals of the Athenians. London: Thames and Hudson, 1977.