Barça will play against the winner of the Levante-Valencia match on Wednesday, February 1st. The return leg, at the Camp Nou, is scheduled for February 8th. Both matches will start at 21.00.
The other semifinal between Mirandés and Athletic Club will be played on the 31st of January and the 7th of Februrary, both kickoff times are at 22.00. (via FCBarcelona.cat)