25 abr 491 ano antes da era comum - ANCHOR Lunar Eclipse, Yr 31 of Darius I

Descrição:

Queen Esther wife of Xerxes Chronological, Historical and Archaeological Evidence by Gerard Gertoux

...there were two lunar eclipses, correctly described by Ptolemy, the first one dated 28 Epiphi year 20 of Darius I and the second one 3 Tybi year 31 (Almagest IV: 9.11). They are respectively dated by astronomy on November 19, 502 BCE and on April 25, 491 BCE which confirms an accession in 522 BCE.