Friends, today is Trinity Sunday—one of my favorite feast days of the year because I can put my old theologian’s cap on. Looking first at one of the greatest of the medieval theologians, Saint Bonaventure, and then at maybe the greatest figure in Western theology, Saint Show more
— Bishop Robert Barron (@BishopBarron) June 15, 2025
Today is the Solemnity of the Most Holy Trinity. Three Divine Persons in One God - a profound mystery. What a great and awesome God we have! https://ewtn.com/catholicism/seasons-and-feast-days/holy-trinity-sunday-21087…
— EWTN Global Catholic Network (@EWTN) June 15, 2025
Pope Leo XIV, on Trinity Sunday, presides over Holy Mass in St. Peter’s Basilica. On the occasion of the Jubilee of Sport, the Pope said: “Every good and worthwhile human activity is in some way a reflection of God’s infinite beauty, and sport is certainly one of these.”
We adore You, O God, in the Most Holy Trinity, Who reveal to the world Your infinite love for humanity through the Mystery of the Most Sacred Heart of Jesus. Morning Antiphon of our Congregation
— Sr. Mary Joseph Calore, SSCJ (@sscjusa) June 16, 2025
Trinity Sunday "The Father is not the Son nor the Holy Spirit; the Son is not the Father nor the Holy Spirit; the Holy Spirit is not the Father nor the Son: but the Father is only Father, the Son is only Son, and the Holy Spirit is only Holy Spirit" - St. Augustine
So much art just like this. They knew, didn't they? In honor of Trinity Sunday, some quotes from the Early Christian Fathers. (how far Christians have wandered from this!) ~Irenaeus of Lyons (2nd century): "The Word of God, our Lord Jesus Christ ... did, through His Show more
Happy Trinity Sunday! “God for us, God alongside us, God within us.” ~Fr. Richard Rohr Signed Giclee Prints and Prayer Candles: http://kellylatimoreicons.com
Many Blessings and Graces be Upon You All, as We Celebrate the Most Holy Trinity Sunday+++! Also, May Our Dear Heavenly +Father+, bless All of Our Dear Fathers, On this Father’s Day……Happy Father’s Day to all our Great Dad’s+++!
— Fr. James Paul Mondok lll, Th.D., D.M.P.W. 💖✝️💖+ (@fr_james1) June 15, 2025
Mass at St. Patrick's in New Orleans today. Trinity Sunday. There's nothing ordinary about Ordinary Time.
— Sergius the MAGA Monk (@mericanrefugee) June 15, 2025
Trinity Sunday History
Trinity Sunday is a Christian observance that honors and celebrates the doctrine of the Holy Trinity. This is the belief in one God existing in three distinct persons: the Father, the Son (Jesus Christ), and the Holy Spirit. Observed by various Christian denominations, Trinity Sunday provides an opportunity for believers to reflect on the mysterious and profound nature of God's triune existence.
The origins of Trinity Sunday can be traced back to the early centuries of Christianity. While not explicitly mentioned in the Bible, the concept of the Holy Trinity emerged as a way to articulate the complex relationship between God, Jesus Christ, and the Holy Spirit. In America, Trinity Sunday holds particular significance for the Christian community as it highlights the foundational beliefs of many churches across the nation.
On this day, congregations come together to engage in special worship services, sermons, and hymns that emphasize the unity and diversity within the Godhead. The theme of unity often resonates strongly in the American context, where diverse Christian traditions and denominations coexist. Trinity Sunday provides an opportunity for believers to deepen their understanding of God's nature and to embrace the mystery of the Trinity. In the United States Trinity Sunday is typically observed on the Sunday following Pentecost, which falls on the 50th day after Easter.
Trinity Sunday Facts
This day highlights what many consider the central mystery of Christianity. It emphasizes the unity of God the Father, the Son, and the Holy Spirit as one divine essence, yet distinct Persons. Trinity Sunday serves as a reminder of the essential nature of the Holy Trinity in Christian theology and the foundation for all other Christian beliefs.
In Western Christianity, Trinity Sunday falls on the eighth Sunday after Easter, while in Eastern Christianity, it is observed on the first Sunday after Pentecost.
Many Protestant denominations, including the Episcopal, Lutheran, and United Methodist churches, observe Trinity Sunday in America.
In the 19th century, the Oxford Movement renewed interest in liturgical worship and the Anglican tradition in America, leading to increased observance of the Church calendar, including Trinity Sunday.
In the News and Trending in the US for Trinity Sunday
Read Trinity: How Not to Be a Heretic by Stephen Bullivant.
As a religious holiday, most people in the UK who observe Trinity Sunday attend a mass service at their local church. Masses on this day often have a special focus on the concept of the Holy Trinity.
Museums such as the National Gallery or British Museum in London house religious artwork that can help one delve deeper into Christian history and Trinity iconography.
Many Christian denominations, including Catholics, Anglicans, and Lutherans, observe Trinity Sunday with special church services. The sermons and readings for the day typically focus on the concept of the Holy Trinity.
Gather with your family for a home prayer service, honoring God the Father, Son, and Holy Spirit.
Given the Christian focus on love and service, some choose to mark Trinity Sunday by volunteering time or resources towards a charitable cause.