Hemera Hemera, the goddess of day. With her brother Aether ("Upper Air"), they were the offspring of Erebus ("Darkness") and Nyx ("Night"). Apart from the story of the creation, no other myths were associated with Hemera. Related Information Name Hemera, Ἡμέρα – "Day". Related Articles Aether, Erebus, Nyx.Creation. Copy Citation By Jimmy Joe