Aberdeen will face a lunchtime kick-off at Hampden if they make it through to the Scottish Cup semi-finals.
Motherwell await the winners of the replay between the Dons and Kilmarnock, who drew 1-1 at Pittodrie on Saturday.
The Scottish Football Association tonight confirmed the arrangements for the semi-finals, which take place next month.
The first last-four encounter will see Motherwell – who beat Hearts 2-1 on Sunday – take on Aberdeen or Killie on Saturday, April 14 at 12.15pm. The match will be broadcast live on BBC Scotland and Sky Sports.
The other semi-final clash sees Celtic take on Rangers at the national stadium the following day at 2.30pm. That game will be live on Sky Sports.
The SFA said ticket prices range from £20-£30 for adults, and £10-£15 for concessions.
Derek McInnes takes his side to Rugby Park for the replay next Tuesday night.