The poem is an extensive treatment on the
Roman calendar, or
fasti. Each of its separate books discusses one month of the Roman calendar, beginning with January. It contains some brief
astronomical notes, but its more significant portions discuss the religious festivals of the
Roman religion, the rites performed upon them, and their
mythological explanations. These explanations preserve much mythological and religious lore that would have otherwise been lost.
January (Book 1) The first book opens with a prologue which contains a dedication (1–62) of the poem to
Germanicus, Ovid's
recusatio, and a description of the poem's theme as the Roman calendar, festivals, and annual astronomical events, followed by a discussion of
Romulus' and
Numa's invention of the Roman calendar. The first episode (63–294) is an interview between the poet and the god
Janus about the details of his nature as primal creator (
Chaos), history, iconography, and festival on the Kalends of January. The second long episode (317–456) describes the
Agonalia, the aetiologies of sacrificial animals, the story of
Aristaeus, and the story of
Lotis and
Priapus. The third episode (461–636) for the
Carmentalia discusses the exile of
Evander to Latium, the prophecy of his mother
Carmentis about
Aeneas,
Augustus, and
Livia, and the myth of
Hercules and
Cacus, ending with the praise of the family of Augustus. The end of the book talks about the festival of
Concordia (637–650), the movable
Sementivae with a prayer for agricultural productivity (655–704), and the feast of the
Ara Pacis (709–724).
February (Book 2) Ovid opens book 2 with an etymological derivation of February from
februa (instruments of purification) (1–54). He continues relating several shorter narratives, including the stories of
Arion and the dolphin (79–118), Augustus' assumption of the title
pater patriae (119-148), the myth of
Callisto (153–192), the fall of the
Fabii at the
Battle of the Cremera (193–242), and the fable of the constellations of the Raven, Snake, and Crater (243–266). The next long section in the book discusses the festival of the
Lupercalia (267–474). The poet aetiologizes the nakedness of the Luperci with a story of Faunus' sexual humiliation when he tries to rape Hercules dressed as
Omphale and the story of Remus' defeat of cattle rustlers. The narrative of the she-wolf suckling Romulus and Remus is also included. Lines 475–532 describe Romulus' transformation into
Quirinus, which is followed by the narrative of Lara in connection to the
Feralia (533–616). The final extensive section describing the
Regifugium describes the legends associated with the fall of the
Tarquins,
Lucretia's rape and suicide, and
Brutus' revenge (685–855).
March (Book 3) The third book is dedicated by Ovid to
Mars, the patron of the month; in connection to the god, the poet narrates the rape of
Silvia, the birth and discovery of Romulus and Remus, and ends with a discussion of March as the former first month of the year (1–166). Next, the poet interviews Mars who tells the story of the
rape of the Sabine women to explain why women worship him, and of Numa's capture of Jupiter and the gift of the ritual shields, the
ancilia and the introduction of the
salii (167–398). Next Ovid relates two short narratives, the story of Romulus'
asylum and the temple of Jupiter Veiovis (429–458) and Ariadne's complaint of unfaithfulness to Bacchus and subsequent katasterism of
Ariadne's crown (459–516). A long section describes the feast of
Anna Perenna on the Ides, focusing on the story of the Vergilian Anna's escape from Carthage and journey to Italy where she becomes the river
Numicius, the legend of Anna's deceit of Mars when he attempted to woo Minerva, and ending with a note on the murder of Caesar (523–710). The end of the month includes the legends of Bacchus' discovery of honey for the
Liberalia (713–808), a prayer to Minerva for the
Quinquatrus (809–848), and the story of
Phrixus and
Helle for the
Tubilustrium (849–878).
April (Book 4) April begins with the appearance of Venus, who chides Ovid for his abandonment of erotic elegy; Ovid goes on to trace the genealogy of the Roman kings and Augustus from Venus and ends with a celebration of Venus as the goddess of creation (1–132). The first long episode of the book is the festival of the
Magna Mater, the
Ludi Megalenses. For this festival Ovid recounts the birth of
Rhea's children, the castration of
Attis, the goddess' transfer to Rome, and the story of
Claudia Quinta (179–375). The next narrative, which is the longest and most elaborate in the
Fasti, describes the
Cerealia and the rape of Persephone, the wandering of Ceres, and the return of Persephone to
Olympus (393–620). The next extended section is regarding the festival of the
Parilia which includes agricultural prayers, aetiologies of customs, and the story of the founding augury and death of Remus (721–862). The final sections tell the story of
Mezentius in connection to the
Vinalia (863–900) and include an agricultural prayer on the
Robigalia (901–942).
May (Book 5) This book opens with the presentation by the Muses of three etymologies for the name of the month: the goddess Maiestas, the Roman elders (
maiores), and
Maia the mother of
Mercury (1–110). Ovid is unable to decide on a correct etymology. In the next section the goddess
Flora appears and discusses her origin, her help in Juno's conceiving of a child, and the political origin of her games (159–378). The next notable narrative discusses the rituals of the
Lemuria and the funeral of Remus (419–490). The birth of Orion from the urine (
ouron) of the gods comes next (493–544). This is followed by the origin of the
Temple of Mars Ultor (545–598), the end of human sacrifice at Rome (603–662), the worship of Mercury (663–692), and the death of
Castor and
Pollux (693–720).
June (Book 6) The sixth book begins with a prologue in which the goddesses Juno and Juventas (
Hebe) dispute over which goddess the month is named after (1–100). Ovid goes on to relate the story of the affair of Carna, the goddess of hinges, and Janus, as well as the story of how Proca was defended from murderous owls by Cranae (101–195). The next large narrative is the discussion of iconography and aetiology of the
Vestalia, the festival of Vesta. The cosmic identification of Vesta with the earth, the story of Priapus' attempted rape, the origin of the altar of Jupiter Pistoris (of the bakers) in the Gallic invasion of Rome, and the rescue of the
Palladium by Metellus in a fire at the temple are recounted (249–468). A short astronomical notice precedes the long discussion of the
Matralia, in which Ovid explains the origin of the cult of
Mater Matuta, who, as
Ino, journeyed to Italy and was made a goddess (473–569). This is followed by the story of the murder of King
Servius Tullius, a lover of Mater Matuta. The
Lesser Quinquatrus' legend follows about the exile and return of Roman flute players (649–710). The final notable episodes of the poem are the punishment of
Aesculapius (733–762) and the praise of
Marcia by Clio (797–812). ==Missing books==