* Astronomy

In Gallo-Roman religion, Epona was a protector of horses, donkeys, and mules. She was particularly a goddess of fertility, as shown by her attributes of a patera, cornucopia, ears of grain and the presence of foals in some sculptures suggested that the goddess and her horses were leaders of the soul in the after-life ride, with parallels in Rhiannon of the Mabinogion. Unusually for a Celtic deity, most of whom were associated with specific localities, the worship of Epona, "the sole Celtic divinity ultimately worshipped in Rome itself", was widespread in the Roman Empire between the first and third centuries CE.
Her feast day in the Roman calendar was December 18 as shown by a rustic calendar from Guidizzolo, Italy, although this may have been only a local celebration. She was incorporated into the Imperial cult by being invoked on behalf of the Emperor, as Epona Augusta or Epona Regina.
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