0 in the Christian religion, a holy day that is the next Sunday after Pentecost (= the seventh Sunday after Easter):
Charles's coronation day was on Trinity Sunday.
The music on this disc is organised by the liturgical year, beginning in Advent and proceeding through Christmas, Lent, Easter, Pentecost, and Trinity Sunday.
On Trinity Sunday, a candle-lighting ceremony with music, poetry, banners and balloons was held on the steps of St Martin's-in-the-fields church.