electronic Babylonian Library (eBL), fragment BM.33066, “Catalogue record for the Cambyses year 7 astronomical text”
“Astronomical; observation text; lunar and planetary data for Cambyses year 7 (523/2 BC). LBAT 1477; Cam 400 ... Hunger and Sachs, ADART V, no. 55”
BM 33066 is the tablet the Watch Tower's 2011 article cites to confirm 539 BCE. The catalogue record shows it to be an astronomical observation text edited by the same scholars, in the same series, as the astronomical diary VAT 4956.
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Provenance and verification note for electronic Babylonian Library (eBL), fragment BM.33066, Catalogue record for the Cambyses year 7 astronomical text
Confidence note. The eBL API record was downloaded and read on 19 September 2026; the description, museum (British Museum), accession number 1878,1107.4 and CDLI number P364231 were read from it.
Corroborated by. src-chr-e-w11-1001-pivotal-539
Accessed. 19 September 2026 · Source ID. src-chr-e-ebl-bm33066