How do we know the Holy Spirit was given after Christ's resurrection?

In the Gospel according to John, Jesus makes it clear that the Holy Spirit would be sent only after His glorification, which occurred after His death, resurrection, and ascension (John 7:39). This sequence underscores a significant theological theme: the coming of the Holy Spirit as a divine gift following the sacrificial work of Christ. The pillar of cloud and fire given to the Israelites serves as a type pointing to this reality, indicating that the Holy Spirit's presence and guidance would be available to believers following the redemptive work of the Lamb of God.