Saturday's defeat at Portsmouth confirmed the Blades participation in the end of the season play-offs.
Although, with two games still remaining in the regular season, United's opposition is unknown at the present time, the four semi-final dates are as follows...
1st leg (match A) - Friday 3rd May 2013, kick-off 7.45pm
1st leg (match B) - Saturday 4th May 2013, kick-off 5.20pm
2nd leg (match A) - Monday 6th May 2013, kick-off 1.30pm
2nd leg (match B) - Monday 6th May 2013, kick-off 4.30pm
*The Final will take place at Wembley on Sunday 19th May 2013, with a 1.30pm kick-off.