An illustration will show how the sothic cycle helps in determining dates.
This period, measured thus by the heliacal rising of Sothis, is spoken of as the sothic cycle.
To what sothic cycle are these 443 years or xv generations said to belong?
Probably neither the sothic nor any other era was employed by the ancient Egyptians, who dated solely by regnal years (see below).
It is this sothic period which Manetho has employed in his account of Egyptian history.
The greatest aid in fixing Egyptian chronology is the sothic Cycle.
as in Sothic cycle, a period of 1,460 years, 1828, from French Sothique, from Greek Sothis, an Egyptian name of the star Sirius. The Sothic year is determined by the heliacal rising of Sirius.