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Trinity Sunday

June 15

The Holy Trinity

The Holy Trinity

Trinity Sunday will be commemorated on Sunday, June 15, 2025, as the Church continues to confess the confident truth that the Triune God — Father, Son, and Holy Spirit — has given himself for our salvation.

To attend a Trinity Sunday service, visit locator.lcms.org/church to find a local Lutheran Church—Missouri Synod congregation. Enter your zip code and click “Search” to see a list of area churches, service times, and contact information.

If you are homebound, traveling, or otherwise unable to attend a service in person, KFUO Radio airs worship services throughout the church year. Visit KFUO.org to view the schedule and listen to services.

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Confessing the Holy Trinity

The Athanasian Creed, which was written by an anonymous author in the fifth century, is the Church’s confession of the Holy Trinity. On Trinity Sunday, the Church proclaims the Christian faith through the words of the Athanasian Creed.

“The Athanasian Creed declares that its teachings concerning the Holy Trinity and our Lord’s incarnation are “the catholic faith.” In other words, this is what the true Church of all times and all places has confessed. More than fifteen centuries later, the Church continues to confess this truth, confident that the triune God, Father, Son, and Holy Spirit, has given Himself for our salvation.”

Source: This translation of the Athanasian Creed (Quincunque Vult) is from Lutheran Service Book. Copyright © 2006 Concordia Publishing House. Used by permission. Distributed by the LCMS Worship for congregational and school use and streaming only. Commercial reproduction or reproduction for sale of this work in part or in whole without the written permission of the copyright holder is prohibited.

Liturgical colors for Trinity Sunday

The altar will be adorned with white, which is the color of purity and completeness. This color assists in bearing the message that “though your sins be as scarlet, they shall be white as snow.” Christ’s triumph from the grave on Resurrection Day is the cause for our rejoicing. His purity before his Father becomes our purity. White reinforces that message of joy.

Three-Year Series C

Scripture readings

  • Proverbs 8:1–4, 22–31
  • Acts 2:14a, 22–36
  • John 8:48–59

Lectionary summary

The Triune God Reveals Himself in Christ Jesus

The divine Word of the Father also is the holy wisdom who “was beside him, like a master workman,” who “was daily his delight, rejoicing before him always” (Prov. 8:30). This Word became flesh and suffered death in order to bestow life by the preaching of His Gospel “to the children of man” (Prov. 8:4). He honors the Father, and the Father glorifies Him by raising Him from the dead, so that all who keep His Word “will never see death” (John 8:51). Long ago, “father Abraham rejoiced” in the day of Christ, for “he saw it and was glad” (John 8:56). Though Christ was “crucified and killed by the hands of lawless men,” “God raised him up, loosing the pangs of death” (Acts 2:23, 24). As He “received from the Father the promise of the Holy Spirit” (Acts 2:33), so it is by and through the Son that God the Father pours out the Holy Spirit upon His Church.

One-Year Series

Scripture readings

  • Isaiah 6:1–7
  • Romans 11:33–36
  • John 3:1–15 (16–17)

Lectionary summary

The Holy Trinity Reveals Himself to Sinners

When Isaiah beheld the glory of the Lord, he cried out “Woe is me!” For the sinner cannot stand in the presence of a holy God and live (Is. 6:1–7). But God the Father lifted up His Son Jesus for us on the cross, that whoever believes in Him should not perish but have eternal life. This eternal life of Christ is given us according to the Holy Spirit’s good pleasure in Baptism. “Unless one is born [again] of water and the Spirit, he cannot enter the kingdom of God” (John 3:5). To sinners in fear of death, the messengers of God place on our lips the living body and blood of Christ and speak His words of absolution, “Your guilt is taken away, and your sin atoned for” (Is. 6:7). Having received forgiveness and life from the Father through the Son by the Holy Spirit, we join with the angels in praising the blessed Trinity, “Holy, holy, holy is the LORD of hosts!” (Is. 6:3). “For from Him and through Him and to Him are all things. To Him be glory forever. Amen” (Rom. 11:33–36).

LCMS Worship

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June 15
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LCMS Worship
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