Rules for the Implementation of ROMCAL


Celebration Earliest Latest
Epiphany of the Lord
(Sunday celebration)
Jan 2 Jan 8
Ash Wednesday Feb 4 Mar 17
Palm Sunday Mar 15 Apr 18
Easter Sunday Mar 22 Apr 25
Ascension of the Lord
Thursday celebration
Sunday celebration

Apr 30
May 3

Jun 3
Jun 6
Pentecost Sunday May 10 Jun 13
Trinity Sunday May 17 Jun 20
Corpus Christi
Thursday celebration
Sunday celebration

May 21
May 24

Jun 24
Jun 27
Sacred Heart May 29 Jul 2
Immaculate Heart of Mary May 30 Jul 3
Christ the King Nov 20 Nov 26
First Sunday of Advent Nov 27 Dec 3

Solemnities & Feasts

Fixed and Movable Solemnities

Celebration Date
Mary, Mother of God Jan 1
Epiphany of the Lord Jan 6 **
Joseph, Husband of Mary Mar 19
Annunciation Mar 25
Birth of John the Baptist Jun 24
Peter and Paul, Ap Jun 29
Assumption Aug 15
All Saints Nov 1
Immaculate Conception Dec 8
Christmas Dec 25
** - May be a movable Solemnity depending on National Conference
Celebration Date
Epiphany of the Lord Sunday between Jan 2 and Jan 8 *
Easter Sunday Complex formula
Octave of Easter The 8 days following Easter
Ascension of the Lord 39 days after Easter if on Thursday *
42 days after Easter if on Sunday *
Pentecost Sunday 49 days after Easter
Trinity Sunday 56 days after Easter
Corpus Christi 60 days after Easter if on Thursday *
63 days after Easter if on Sunday *
Sacred Heart 68 days after Easter
Christ the King 7 days before the First Sunday of Advent 
(i.e., the last Sunday of Ordinary Time)

Feasts of the Lord and Other Feasts

Celebration Date
Baptism of the Lord Sunday after Epiphany
(Monday after Epiphany on Jan 7 or 8)
Presentation of the Lord Feb 2
Transfiguration Aug 6
Triumph of the Cross Sep 14
Holy Family Sunday after Christmas
(Dec 30 if Christmas on Sunday)

The Season of Advent, Christmas, & Epiphany


Christmas Day on...
Length of Advent
1st Sunday of Advent
28 days
Nov 27
22 days
Dec 3
23 days
Dec 2
24 days
Dec 1
25 days
Nov 30
26 days
Nov 29
27 days
Nov 28



The Season of Lent & Holy Week

The Season of Easter & Pentecost


    1. That the twenty-first day of March shall be accounted the vernal equinox.
    2. That the full moon happening upon or next after the twenty-first of March, shall be taken for the full moon of Nisan.
    3. That the Lord's-day next following that full moon be Easter-day.
    4. But if the full moon happen upon a Sunday, Easter-day shall be the Sunday after.

The Octave of Easter


American Provinces Celebrating Ascension on Thursday
  • Boston
  • Hartford
  • New York
  • Newark
  • Philadelphia
  • Baltimore
  • Washington, DC
  • Atlanta
  • Nebraska
  • Pentecost, Trinity Sunday, and Corpus Christi

    Sacred Heart of Jesus and Immaculate Heart of Mary

    "Formerly an optional memorial, the celebration of the Immaculate Heart of Mary has been raised to the rank of an obligatory memorial in the General Roman Calendar by a decree of the Congregation for Divine Worship and the Discipline of the Sacraments (24 May 1996)."
    -- Paulist Press Ordo for 2000

    The Season of Ordinary Time

    Liturgical Colors

    Palm Sunday Red
    Monday of Holy Week Purple
    Tuesday of Holy Week Purple
    Wednesday of Holy Week Purple
    Holy Thursday White
    Good Friday Red
    Easter Vigil White
    Easter Sunday White

    Copyright © 2001-2006 by Kenneth G. Bath