A.D. 2023 September 17–23
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday, September 17
- The Fifteenth Sunday after Trinity
- Lambert, Bishop and Martyr
Monday, September 18
- The Monday in the Sixteenth Week After Trinity
Tuesday, September 19
- The Tuesday in the Sixteenth Week After Trinity
Wednesday, September 20
- The Wednesday in the Sixteenth Week After Trinity
- Eve of Saint Matthew
- Ember Day
Thursday, September 21
- Saint Matthew, Apostle, Evangelist and Martyr
- The Thursday in the Sixteenth Week After Trinity
Friday, September 22
- The Friday in the Sixteenth Week After Trinity
- Ember Day
Saturday, September 23
- The Saturday in the Sixteenth Week After Trinity
- Ember Day