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What is the Easter Triduum?

Easter Triduum Graphic

triduum is any three-day period of prayer recalling the three days that Christ spent in the tomb. The Easter Triduum (sometimes referred to as the Paschal Triduum) is the three day period that starts with the Mass of the Lord’s Supper on the evening of Holy Thursday, continues through the Good Friday services, reaches its high point in the Easter Vigil on Holy Saturday, and concludes with vespers (Evening Prayer) on Easter Sunday.

Since 1956, the Paschal Triduum has been regarded as its own liturgical season, thus concluding Lent before the Mass on Holy Thursday, and introducing us to the joy of the Easter season.

Because Easter is the most important feast in the Christian calendar—even more important than Christmas—the Easter season continues on for 50 days, through Divine Mercy Sunday (the Sunday after Easter), the Ascension of Our Lord (40 days after Easter)  to Pentecost Sunday (50 days after Easter).