March 2012
| Day | Date | Celebration | Rank | 
|---|---|---|---|
| Day | Date | Celebration | Rank | 
| Thursday | 1 | St David, Bishop, Patron of Wales | solemnity  (in Wales) feast (in England) | 
| Friday | 2 | Weekday of Lent | |
| Saturday | 3 | Weekday of Lent | |
| Sunday | 4 | 2nd Sunday of Lent | Week II | 
| Monday | 5 | Weekday of Lent | |
| Tuesday | 6 | Weekday of Lent | |
| Wednesday | 7 | Ss Perpetua and Felicity, Martyrs | memorial | 
| Thursday | 8 | Weekday of Lent, St John of God, Religious | |
| Friday | 9 | Weekday of Lent, St Frances of Rome, Religious | |
| Saturday | 10 | Weekday of Lent | |
| Sunday | 11 | 3rd Sunday of Lent | Week III | 
| Monday | 12 | Weekday of Lent | |
| Tuesday | 13 | Weekday of Lent | |
| Wednesday | 14 | Weekday of Lent | |
| Thursday | 15 | Weekday of Lent | |
| Friday | 16 | Weekday of Lent | |
| Saturday | 17 | Weekday of Lent (in Wales), St Patrick, Bishop (in England) | feast | 
| Sunday | 18 | 4th Sunday of Lent | Week IV | 
| Monday | 19 | St Joseph, Spouse of the Blessed Virgin Mary | solemnity | 
| Tuesday | 20 | Weekday of Lent | |
| Wednesday | 21 | Weekday of Lent | |
| Thursday | 22 | Weekday of Lent | |
| Friday | 23 | Weekday of Lent, St Turibius de Mogrovejo, Bishop | |
| Saturday | 24 | Weekday of Lent | |
| Sunday | 25 | 5th Sunday of Lent | Week I | 
| Monday | 26 | The Annunciation of the Lord | solemnity | 
| Tuesday | 27 | Weekday of Lent | |
| Wednesday | 28 | Weekday of Lent | |
| Thursday | 29 | Weekday of Lent | |
| Friday | 30 | Weekday of Lent | |
| Saturday | 31 | Weekday of Lent | 
