In Greek mythology, Gymnastica () or Gymnasia (), was the fourth Hora (Hour) who presided over the morning hour of education, training, gymnastics and exercise.Hyginus, Fabulae 183
Family Gymnasia was sister of the other eleven Hora: Anatolia (Sunrise), Auge (First Light), Musia (Hour of Music), Nymphe (Hour of Bath), Messembria (Noon), Sponde (Libation), Elete (Hour of Prayer), Acte (Hour of Pleasure), Hesperis (Evening), Dysis (Sunset) and Arktos (Night Sky).Nonnus, 41.287
Their father was either Helios (Sun)Quintus Smyrnaeus, 2.502 or Chronos (Time).Nonnus, 12.15
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