Dagur

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Dagr ("day", modern Scandinavian: Dag, modern Icelandic: Dagur) was, in Norse mythology, the god of the daytime, a son of Delling (god of twilight) and Nótt. Dagr, the Bright and the Fair, drove across the sky in a chariot every day, pulled by a horse named Skinfaxi. Skinfaxi's mane lights up the earth and sky. Nótt's equivalent horse, Hrimfaxi, lights up the night.
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[Norse] In Norse myth, Dagur is the personification of the day. He is the son of Delling, the personification of twilight, and Nott. The gods gave Dagur a chariot and put him in the sky. His chariot is pulled by the horse is Skinfaxi, whose shining mane illuminates the earth and the sky.