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Trinity Sunday
Celebrating the mystery of the Holy Trinity — Father, Son, and Holy Spirit.
📅 June 7🌙 Lunar calendar
✦ Why It Matters
Trinity Sunday, the first Sunday after Pentecost, celebrates the central mystery of Christian faith: one God in three co-equal Persons. The only major feast celebrating a doctrine rather than an event.
✦ How It Is Observed
Solemn church services, the Athanasian Creed is often recited, sermons on the nature of the Trinity, white vestments.
✦ Sacred Text
“Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit.”
— Matthew 28:19 ↗
Note on dates: This holiday follows a lunar or lunisolar calendar. The date shown is approximate for 2025–2026. Exact dates may vary by one or two days depending on moon sighting and regional tradition. Always confirm with your local community.