Read about the Great O Antiphons of Advent, their references to Old and New Testaments and profound theology: 20th December, O Clavis David

Read about the Great O Antiphons of Advent, their references to Old and New Testaments and profound theology: 19th December, O Radix Iesse

Read about the Great O Antiphons of Advent, their references to Old and New Testaments and profound theology: 18th December, O Adonai

Read about the Great O Antiphons of Advent, their references to Old and New Testaments and profound theology: 17th December, O Sapientia

Have you ever wondered what the “O Antiphons” of Advent are? You might have heard religious or priests getting excited about these every year; the “great Os”, as they are also known.