Cross reference
Leviticus 23:16
16 Let fifty days be numbered, to the day after the seventh Sabbath; then you are to give a new meal offering to the Lord.
Acts 2:1
1 And when the day of Pentecost was come, they were all together in one place.
Numbers 28:26
26 And at the time of the first-fruits, when you give an offering of new meal to the Lord at your feast of weeks, there is to be a holy meeting: you may do no field-work: