The Imperial Calendar

Abadius ----- January (31 days, Winter)
Calistril ------ February (29 days, Winter)
Pharast ------ March (31 days, Spring)
Gozran ------ April (30 days, Spring)
Desnus ------ May (31 days, Spring)
Sarenith ----- June (30 days, Summer)
Erastus ------ July (31 days, Summer)
Arodus ------ August (31 days, Summer)
Rova -------- September (30 days, Autumn)
Lamashan - October (31 days, Autumn)
Neth --------- November (30 days, Autumn)
Kuthona ---- December (31 days, Winter)