For your easy reference, the following is a list of weeks and years with their corresponding date:
12 July 2015 – 15th Sunday in Ordinary Time Year B
13 July 2015 – Monday of Week 15 Year 1
14 July 2015 – Tuesday of Week 15 Year 1
15 July 2015 – Wednesday of Week 15 Year 1
16 July 2015 – Thursday of Week 15 Year 1
17 July 2015 – Friday of Week 15 Year 1