Responsories for Holy Week applies to the last three days: Maundy Thursday, Good Friday and Holy Saturday, which Triduum Sacrum (translation: three days) included Maundy Thursday but not Easter Sunday (before 1955).
Responsories for Holy Week applies to the last three days: Maundy Thursday, Good Friday and Holy Saturday, which Triduum Sacrum (translation: three days) included Maundy Thursday but not Easter Sunday (before 1955).