Egyptian Dogstar Year

myth:egyptian_dogstar_year

The Egyptian year opened when Sirius — Sopdet, the Dog Star, whose heliacal rising announced the flooding of the Nile — reappeared in the dawn sky after seventy days' absence. The star's return was the New Year and the river's gift in one, a cosmic clock by which the whole of Egyptian agricultural life was set. The dog-star that ruled the calendar. — Egyptian astronomy