I believe that it is very possible that the Church will be taken alive to Heaven on Pentecost on the very same feast day when the Bride of Christ was born. The Church like Enoch was born on Pentecost and tradition tells us Enoch was taken on Pentecost. Enoch was taken because he walked with God before the judgment of the flood. The bride of Christ will also not reap the coming judgment of God because she is the Bride of Christ. Only after Jesus takes his rightful role as King of Israel and takes a Gentile bride can Israel’s promised restoration come.
I know many want to believe the Rapture is on the Feast of Trumpets but remember the Feast of Trumpets will be another fulfillment through Jesus for Israel. The Feast of Trumpets starts the last week for Israel foretold by Daniel and it ends it seven years later with the second coming of Christ. Some like to think the Rapture will occur on the same date that God deals with Israel again. However, scripture really gives no indication that the Rapture has to occur precisely seven years before the second coming of Christ. The Rapture could occur months or even a few years before the final seven years for the Jews.
One thing is certain in my mind. The 70th week and the lifting of the blindness of Israel cannot even take place until the fullness of the Gentiles comes in (Ro 11:25). In this passage Paul was speaking of the grafting in of a Gentile Bride into the Commonwealth of Israel. This Bride born from above is born of the Spirit she is not born of any flesh, be it Jew or Gentile. However, anyone not Jewish by natural birth (she is spiritual) is typed as a Gentile by definition. Therefore, the Bride is not Jewish even though there are people who were natural Jews within the Bride. This Bride gives no sin offering of her own as required by the law. Her sins are covered by the blood of God’s Jewish sacrificial Lamb. That is the reason why Pentecost is celebrated with leavened bread (leaven represents sin), the Church is full of sinners covered by the blood of Christ.