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

Zechariah 8:9

Thus saith the Lord Almighty; Let your hands be strong, [ye that] hear in these days these words out of the mouth of the prophets, from the day that the house of the Lord Almighty was founded, and from the time that the temple was built.

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