As a matter of fact we are. How so? Rick Phillips of Second Presbyterian Church (PCA) in Greenville, SC puts it well when he writes of his own congregation:

Second Presbyterian Church is a Pentecostal church. In fact, there are no other kinds of Christian churches than Pentecostal churches. By this, I mean that the present age of God’s people is defined and energized by Christ’s outpouring of the Holy Spirit at Pentecost.

Pentecost is this Sunday. Phillips makes the point that while Christmas and Easter get deserved attention, our appreciation for what Pentecost means for us is often lost. Pentecost was the outpouring of God’s Spirit on His people after Christ’s ascension in fulfillment of Old Testament prophecy. Phillips goes on to say:

Pentecost was the summer harvest feast of the Jews, with the particular distinction that its great day was on the eighth day, which was a special Sabbath. The eighth day, of course, is the day of the resurrection, which we call Sunday. As such, the gift of the Holy Spirit is directly linked with the resurrection of Jesus. As the Pentecostal church, we enjoy resurrection life through the power of the Spirit. Paul tells us of the fruit of the Spirit, which is the character renovation the Spirit intends to do in each of our lives, granting us the blessings of “love, joy, peace, patience, kindness, goodness, faithfulness, gentleness, and self-control (Gal. 5:22-23). Whereas Israel broke God’s covenant through unfaithfulness, we are sealed with the Spirit to receive all the blessings covenanted to us in Christ (cf. Eph. 1:13-14; Heb. 8:9-10).

This is a very helpful article that you can read here.

(HT: Reformation21)