For your easy reference, the following is a list of weeks and years with their corresponding date:
19 April 2015 – 3rd Sunday of Easter Year B
20 April 2015 – Monday of the 3rd Week of Easter
21 April 2015 – Tuesday of the 3rd Week of Easter
22 April 2015 – Wednesday of the 3rd Week of Easter
23 April 2015 – Thursday of the 3rd Week of Easter
24 April 2015 – Friday of the 3rd Week of Easter