For your easy reference, the following is a list of weeks and years with their corresponding date:
23 Aug 2015 – 21st Sunday in Ordinary Time Year B
24 Aug 2015 – St. Bartholomew, Apostle – Feast
25 Aug 2015 – Tuesday of Week 21 Year 1
26 Aug 2015 – Wednesday of Week 21 Year 1
27 Aug 2015 – Thursday of Week 21 Year 1
28 Aug 2015 – Friday of Week 21 Year 1