Saturn and Cronus, from Greek Titan to Roman god

Updated October 19, 2026 · 5 min read

Cronus (or Kronos) is the Greek Titan the Romans identified with Saturn: in Hesiod's Theogony he castrates his father Uranus with a sickle, swallows his own children to keep power, and is finally overthrown by Zeus. Saturn and Cronus were not originally the same god, but from the late Roman Republic on, nearly every myth told about Saturn comes from Cronus.

Hesiod's account

The Theogony, a poem composed around the seventh century BC, gives the canonical version of the myth. It unfolds in three acts.

The castration of Uranus

Uranus, the Sky, kept his children from being born by pressing them back into the body of Gaia, the Earth. In agony, Gaia makes a great sickle with sharp teeth, of adamant, and asks her sons to avenge her. Only the youngest, "crooked-minded" Cronus, agrees. When Uranus comes to lie over Gaia, Cronus, waiting in ambush, cuts off his father's genitals and throws them behind him (Theogony 154–182). From the blood that falls on the earth spring the Furies, the Giants and the ash-tree nymphs; from the parts that fall into the sea, Aphrodite is born.

The swallowed children

Now king, Cronus marries his sister Rhea. Gaia and Uranus have warned him that he is fated to be overthrown by his own son. So he swallows each child as soon as it is born: Hestia, Demeter, Hera, Hades and Poseidon (453–467). In despair, Rhea goes to Crete to give birth to the last, Zeus, and hands Cronus a stone wrapped in swaddling clothes, which he gulps down without noticing the trick (468–491).

The detail matters: in Hesiod, Cronus swallows his children whole; he does not chew them. That is why they can come back out alive. The image of a god tearing into his son's flesh, popularized by Rubens and above all by Goya in Saturn Devouring His Son, is a much later and far more violent reading of the myth.

The fall

Once grown, Zeus forces Cronus to vomit up his siblings. The stone comes out first, and Zeus sets it up at Pytho, that is Delphi, as a sign for mortals (492–500). Then comes the Titanomachy, a ten-year war between the Olympians and the Titans, after which the defeated Titans are locked in Tartarus (617–735).

The other Cronus: king of the Golden Age

The same Cronus has a bright side. In Works and Days, Hesiod places the golden race of humans "in the time of Cronus": people who lived like gods, without toil or old age, fed by an earth that yielded crops on its own (109–126). Pindar puts Cronus and his tower in the Isles of the Blessed (Olympian 2). In Athens, the midsummer festival of the Kronia saw masters and slaves share a meal; Macrobius, citing the Latin poet Accius, treats it as the Greek model for the Saturnalia.

That was the side Rome embraced first. By making Saturn a king exiled to Italy, Virgil and Ovid reconciled the two traditions: the deposed tyrant of Olympus became the good ruler of the Latin Golden Age.

How Cronus became Saturn

The merger followed a familiar process, interpretatio, through which Romans mapped Greek mythology onto their own gods. Saturn was a farming god with a sickle; Cronus carried a sickle; the match was obvious. Roman cult kept a trace of it, since sacrifices to Saturn were made bareheaded, "in the Greek manner" (see Saturn, the Roman god).

The children map accordingly: Zeus becomes Jupiter, Hera Juno, Poseidon Neptune, Hades Pluto, Hestia Vesta, Demeter Ceres (see Saturn's family).

Cronus is not Chronos

Cronus (Kronos, with a kappa) is constantly confused with Chronos (Khronos, with a chi), personified Time. According to linguists the two words are unrelated: the origin of Cronus' name is obscure, possibly pre-Greek. But the confusion is ancient. Cicero already explains it: the Greeks supposedly called Saturn Kronos because he is chronos, the passage of time, and he is said to devour his children because time swallows the years it produces (On the Nature of the Gods 2.64).

This allegorical reading had a huge afterlife. In the Renaissance, Saturn and Time merged into a winged old man with a scythe and an hourglass, the ancestor of Father Time and the Grim Reaper. The planet's symbol, ♄, usually described as a sickle, carries a trace of the shift (see Saturn's name and symbol).

The Titans around Saturn

Astronomy extended the family tree. Several of Saturn's moons are named after Titans, Cronus' brothers and sisters: Rhea, Iapetus, Tethys, Hyperion, Phoebe and the largest of all, Titan, whose name stands for the whole generation. The god's planet is circled by his mythological family.

Sources

• Hesiod, Theogony, lines 154–210 and 453–506
• Hesiod, Works and Days, lines 109–126
• Cicero, On the Nature of the Gods 2.64
• Macrobius, Saturnalia 1.7