| 1999 | August | Sundays: Year A |
| Sun | 1 | The Ninth Sunday After Trinity Pentecost 10, Sunday Office, Office Week 3, p 407 |
| Mon | 2 | Monday Office |
| Tue | 3 | Tuesday Office |
| Wed | 4 | Jean-Baptist Vianney, Curé d'Ars, Spiritual Guide, 1859 Wednesday Office |
| Thu | 5 | Oswald, King of Northumbria, Martyr, 642 Thursday Office, of Martyrs, p 458; Eve of morrow |
| Fri | 6 | The Transfiguration of our Lord Sunday Office, propers, p 458 |
| Sat | 7 | John Mason Neale, Priest, Hymn Writer, 1866 Saturday Office; EP Collect of morrow |
| Sun | 8 | The Tenth Sunday After Trinity Pentecost 11, Sunday Office, Office Week 4, p 408 |
| Mon | 9 | Mary Sumner, Founder of the Mothers' Union, 1921 Monday Office |
| Tue | 10 | Laurence, Deacon at Rome, Martyr, 258 Tuesday Office, of Martyrs, p 459 |
| Wed | 11 | Clare of Assisi, Founder of the Minoresses (Poor Clares), 1253 John Henry Newman, Priest, Tractarian, 1890 Tuesday Office, of Religious, p 460 |
| Thu | 12 | Thursday Office |
| Fri | 13 | Jeremy Taylor, Bishop of Down and Connor, Teacher of the Faith, 1667 Florence Nightingale, Nurse, Social Reformer, 1910 Octavia Hill, Social Reformer, 1912 Friday Office, of Teachers, p 460 |
| Sat | 14 | Maximilian Kolbe, Friar, Martyr, 1941 Saturday Office; Eve of morrow, p 461 |
| Sun | 15 | The Blessed Virgin Mary or The Eleventh Sunday After Trinity Wednesday Office, of the BVM, p 461 |
| Mon | 16 | The Blessed Virgin Mary (if transferred) Monday Office; Pentecost 12 this week, Office Week 5, p 409 |
| Tue | 17 | Tuesday Office |
| Wed | 18 | Wednesday Office |
| Thu | 19 | Thursday Office |
| Fri | 20 | Bernard, Abbot of Clairvaux, Teacher of the Faith, 1153 William and Catherine Booth, Founders of the Salvation Army, 1912 and 189 Friday Office, of Teachers, p 461 |
| Sat | 21 | Saturday Office; EP Collect of morrow |
| Sun | 22 | The Twelfth Sunday After Trinity Pentecost 13, Sunday Office, Office Week 6, p 410 |
| Mon | 23 | Monday Office |
| Tue | 24 | Bartholomew the Apostle Monday Office, of Apostles, p 462 |
| Wed | 25 | Wednesday Office |
| Thu | 26 | Thursday Office |
| Fri | 27 | Monica, mother of Augustine of Hippo, 387 Friday Office |
| Sat | 28 | Augustine, Bishop of Hippo, Teacher of the Faith, 430 Saturday Office, of Teachers, p 462; EP Collect of morrow |
| Sun | 29 | The Thirteenth Sunday After Trinity Pentecost 14, Sunday Office, Office Week 7, p 411 |
| Mon | 30 | John Bunyan, Spiritual Writer, 1688 Monday Office, of any Saint, p 463 |
| Tue | 31 | Aidan, Bishop of Lindisfarne, Missionary, 651 Tuesday Office, of Missionaries, p 463 |
Lesser Festivals and Commemorations
omitted this year except, where appropriate, by a mention in prayer
8 August Dominic, Priest, Founder of the Order of Preachers, 1221
29 August The Beheading of John the Baptist
Other dates
The Blessed Virgin Mary may be celebrated on 8 September instead of 15 August
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