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

1 Samuel 20:27

And it came to pass on the morrow, on the second day of the month, that the place of David was empty; and Saul said to Jonathan his son, Why has not the son of Jessæ attended both yesterday and to-day at the table?

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