For your easy reference, the following is a list of weeks and years with their corresponding date:
11 May 2014 – 4th Sunday of Easter Year A
12 May 2014 – Monday of the 4th Week of Easter
13 May 2014 – Tuesday of the 4th Week of Easter
14 May 2014 – Saint Matthias, Apostle – Feast
15 May 2014 – Thursday of the 4th Week of Easter
16 May 2014 – Friday of the 4th Week of Easter