By Me 09 Jan 2018
In the Liturgy of the Hours now, Psalm 100 is one of four Invitatory psalms, that is to say, by which starts the daily office hours. It is recited at Lauds on Friday of
the fourth Sunday of Easter. It also appears six times in the regular time: Thursday the 8th week, the Friday of the 22nd week, Tuesday and Friday of the 24th week,
the Monday of the 29th week, and on Thursday the 34th week of time ordinary.
Because of its text and its subject, this psalm is still one of the most important liturgical chants, during the celebration of the jubilee every 25 years to Rome