Babylonian Almanacs and Goal-Year Texts

Anonymous / tradition (Babylonian temple astronomers) · c. 400-100 BC (Late Babylonian, Seleucid and Parthian periods) · Babylon (Iraq) · science

Compiling planetary and lunar data eighteen years in advance of the events they predicted, using the recognized recurrence cycle now called the Saros, these almanacs argue that centuries of raw astronomical diaries could finally be converted into forward prediction rather than only backward record.