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

1 Esdras 9:50

This day is holy unto the Lord; (for they all wept when they heard the law:)

Parallel Translations

LXXView canonical →
This day is holy unto the Lord; (for they all wept when they heard the law:)
Brenton's Septuagint Translation
LXX2012View canonical →
This day is holy to the Lord; (for they all wept when they heard the law:)
Septuagint in American English (2012)