Leviticus 23:16

Until {the day after} the seventh Sabbath you shall count fifty days; then you shall present a new grain offering for Yahweh.

Acts 2:1

And when the day of Pentecost had come, they were all together in the same [place].

Numbers 28:26

" 'And on the day of firstfruits, when you are presenting a new offering for Yahweh during your Festival of Weeks, you will have a holy convocation; {you will not do any regular work}.

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