December 2027 liturgical calendar

Celebration, color, Psalter week and volume for all 31 days.

Calendar · Updated October 23, 2026

Every day of December 2027 with its celebration, liturgical color, Psalter week and volume, calculated from the USCCB calendar for the United States. For where each ribbon goes on a given day, open the daily guide and pick the date.

Liturgical calendar for December 2027
DayCelebrationColorPsalterVolume
1Wed First Week of Advent violet Week I Volume I
2Thu First Week of Advent violet Week I Volume I
3Fri St. Francis XavierFirst Week of Advent white Week I Volume I
4Sat First Week of AdventOptional: St. John Damascene violet Week I Volume I
5Sun Second Week of Advent violet Week II Volume I
6Mon Second Week of AdventOptional: St. Nicholas violet Week II Volume I
7Tue St. AmbroseSecond Week of Advent white Week II Volume I
8Wed The Immaculate Conception of the Blessed Virgin MarySecond Week of Advent white Week II Volume I
9Thu Second Week of AdventOptional: St. Juan Diego violet Week II Volume I
10Fri Second Week of AdventOptional: Our Lady of Loreto violet Week II Volume I
11Sat Second Week of AdventOptional: St. Damasus I violet Week II Volume I
12Sun Third Week of Advent violet Week III Volume I
13Mon St. LucyThird Week of Advent red Week III Volume I
14Tue St. John of the CrossThird Week of Advent white Week III Volume I
15Wed Third Week of Advent violet Week III Volume I
16Thu Third Week of Advent violet Week III Volume I
17Fri Third Week of Advent violet Week III Volume I
18Sat Third Week of Advent violet Week III Volume I
19Sun Fourth Week of Advent violet Week IV Volume I
20Mon Fourth Week of Advent violet Week IV Volume I
21Tue Fourth Week of AdventCommemoration: St. Peter Canisius violet Week IV Volume I
22Wed Fourth Week of Advent violet Week IV Volume I
23Thu Fourth Week of AdventCommemoration: St. John of Kanty violet Week IV Volume I
24Fri Fourth Week of Advent violet Week IV Volume I
25Sat The Nativity of the Lord (Christmas)Christmas Season white Week I Volume I
26Sun The Holy Family of Jesus, Mary, and JosephChristmas Season white Week II Volume I
27Mon St. John, Apostle and EvangelistChristmas Season white Week II Volume I
28Tue The Holy InnocentsChristmas Season red Week II Volume I
29Wed Christmas SeasonCommemoration: St. Thomas Becket white Week II Volume I
30Thu Christmas Season white Week II Volume I
31Fri Christmas SeasonCommemoration: St. Sylvester I white Week II Volume I

Optional memorials are listed where they occur; you may keep the weekday office instead. Local and diocesan celebrations are not shown. This is an independent reference, not an official publication of the Church or the USCCB.

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