 Ronnie McFall's Portadown play Glentoran at Mourneview Park |
Both Nationwide Irish Cup semi-finals will be played on Saturday 5 April.
There had been opposition to the idea of reverting to the old format with one of the games taking place on a Friday night.
Omagh Town boss Roy McCreadie was the nost vocal in calling for the matches to be played at the same time.
His team will play Coleraine at the Showgrounds in Ballymena (1500 BST).
The referee will be Michael Ross of Carrickfergus and if a replay is needed it will be played on Tuesday 8 April.
The other semi-final between Glentoran and last year's beaten finalists Portadown will be played at Mourneview Park in Lurgan (1500 BST).
Carryduff official Alan Snody will be the referee and if it ends in a draw the replay will take place on Wednesday 9 April.
Meanwhile, the Irish League have announced that Ards must play three games in five days to get their programme completed before the Premier Division split on 29 March.
Frankie Parks' team are at home to Glentoran on Tuesday 25 March and Newry Town on Thursday 27 March.
They complete their programme on the Saturday with a trip to Omagh Town.
Two First Division games have been re-arranged for Tuesday 25 March.
Title rivals Dungannon Swifts and Ballymena United meet at Stangmore Park while Bangor are at home to Armagh City. Both games kick-off at 1945 BST.