Semple Stadium, Thurles will host both All-Ireland U21HC semi-finals on Saturday, August 22.
The action will get underway at 4pm when Antrim meet Wexford while Limerick will take on Galway in the second game at 6pm. Both games will be live on TG4.
Meanwhile, the All-Ireland U21HC B quarter-finals have been fixed for Saturday week, August 8.
Saturday 8 August
All-Ireland U21HC B quarter-finals
Meath v Kerry, Trim, 2pm
Roscommon v Armagh, Athleague, 2pm
Donegal v Mayo, Letterkenny, 2pm
Wicklow v Kildare, Arklow, 2pm
Saturday 22 August
All-Ireland U21HC semi-finals
Antrim v Wexford, Semple Stadium, 4pm
Galway v Limerick, Semple Stadium, 6pm