Parallel
2 Maccabees 15:36
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
And they ordained all with a common decree in no case to let that day pass without solemnity, but to celebrate the thirtieth day of the twelfth month, which in the Syrian tongue is called Adar, the day before Mardocheus’ day.
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