Feast Day: December 18
Advent Weekday. O Adonai antiphon at Vespers (USCCB Liturgical Calendar 2026).
Advent Weekday. O Adonai antiphon at Vespers (USCCB Liturgical Calendar 2026).
From the USCCB 2026 Liturgical Calendar.
Advent Weekday. O Adonai antiphon at Vespers (USCCB Liturgical Calendar 2026).
Advent Weekday. O Adonai antiphon at Vespers (USCCB Liturgical Calendar 2026).
From the USCCB 2026 Liturgical Calendar.