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Sothic cycle
So′thic cy′cle (ˈsoʊ θɪk, ˈsɒθ ɪk) n. (in the ancient Egyptian calendar) a period of 1460 Sothic years. [1855–60] Sothic cycle
Sothic cycle[′sä·thik ‚sī·kəl] (astronomy) A time period of about 1460 years; this cycle is such that the New Year of the calendar used in ancient Egypt was in error by a whole year because the adopted year of 365 days is about a quarter of a day shorter than the mean solar year. |