DECEMBER 3 – FIRST SUNDAY OF ADVENT. 
Creed, preface for Advent I, (violet).  
Readings: Isaiah 63:16b-17, 19b; 64:2b-7; 1 Corinthians 1:3-9; Mark 13:33-37.
 
DECEMBER 4 – MONDAY: FIRST WEEK OF ADVENT. 
Mass of the day, preface for Advent I (violet). 
Readings: Isaiah 2:1-5; Matthew 8:5-11.
 
DECEMBER 5 – TUESDAY: FIRST WEEK OF ADVENT. 
Mass of the day, preface for Advent I (violet). 
Readings: Isaiah 11:1-10; Luke 10:21-24.
 
DECEMBER 6 – WEDNESDAY: FIRST WEEK OF ADVENT. 
Mass of the day, preface for Advent I (violet). 
Readings: Isaiah 25:6-10a; Matthew 15:29-37.
 
DECEMBER 7 – ST. AMBROSE.
Mass of the memorial, preface for Advent I (white). 
Readings: Isaiah 26:1-6; Matthew 7:21, 24-27.
 
DECEMBER 8 – IMMACULATE CONCEPTION OF THE BLESSED VIRGIN MARY. 
Mass of the solemnity, Gloria, Creed, preface of the solemnity (white). 
Readings: Genesis 3:9-15, 20; Ephesians 1:3-6, 11-12; Luke 1:26-38.
 
DECEMBER 9 – SOLEMN DEDICATION OF THE CATHEDRAL. 
Mass of the feast, Gloria, Creed, preface for Dedication of a Church (white).  
Readings: Isaiah 30:19-21, 23-26; Matthew 9:35—10:1, 5a, 6-8.