Persian King Artaxerxes gave “the word ” to restore and rebuild Jerusalem in the 20th year of his reign. His reign began in 474 B.C.E., so his 20th year would be 455 B.C.E.
Tema valitsemisaeg algas aastal 474 e.m.a, seega oli tema 20. valitsusaasta 455. aastal e.m.a..