Arctus (Hora)
In Greek mythology, Arctus was the twelfth Hora who presided over the night sky and constellations. She was originally not part of this lesser-known group of goddesses.
Family
Arctus was sister of the other eleven Horae: Auge, Anatole, Musica, Gymnastica, Nymphe, Mesembria, Sponde, Elete, Acte, Hesperis, and Dysis.Their father was said to be either Helios or Chronos,.