Works and Days (Ancient Greek: Ἔργα καὶ Ἡμέραι, romanized: Érga kaì Hēmérai) is a didactic poem written by ancient Greek poet Hesiod around 700 BC. It is in dactylic hexameter and contains 828 lines. At its center, the Works and Days is a farmer's almanac in which Hesiod instructs his brother Perses in the agricultural arts.