Day of the first-fruits - Called also the feast of weeks, and the feast of pentecost. See it explained Exodus 23:14; (note), and Leviticus 23:15; (note).
The festival offering at the season of first-fruits was to be offered on one day only; and was the same with that of the new moon and Passover. It nearly though not entirely accords with the sacrificial offering prescribed in Leviticus 23:18 ff.