Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Nehemiah 8:1

And the seventh month arrived, and the children of Israel [were settled] in their cities; and all the people were gathered as one man to the broad place before the water-gate, and they told Esdras the scribe to bring the book of the law of Moses, which the Lord commanded Israel.

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