The rich symbolism prescribed for the ancient Hebrew celebration of Pentecost culminated in the inauguration of a brand-new entity in the program of God. It all occurred, according to His perfect plan, on the Pentecost Sunday which was the 50th day following the resurrection of Christ.
As Bruce Scott stated, even in the Hebrew Bible, “Both the so-called Feast of First Fruits and the Feast of Weeks are inextricably linked” (The Feasts of Israel: Seasons of the Messiah [Bellmawr, NJ: The Friends of Israel Gospel Ministry, 1997], 58).