Leviticus 23:11 - Matthew Poole's English Annotations on the Holy Bible

To be accepted for you; that God may accept of you, and bless you in the rest of your harvest. On the morrow after the sabbath, i.e. after the first day of the feast of unleavened bread, which was a sabbath, or day of rest, as appears from Leviticus 23:7, or upon the sixteenth day of the month. And this was the first of those fifty days, in the close whereof was the feast of pentecost, or Whitsuntide.