Also worth considering Sky TV might be looking at reducing production costs. One way to do this is have two games at the same venue and thus avoid the need for cameras, equipment and staff at two different venues. They saw what Edgbaston was capable of doing for the commonwealth games and finals days and double header 100 stuff. The Premier League is still on that weekend but I guess Sky will have their two games on the Sunday. The EFL championship play offs will be in full swing but will have probably been completed before May 20th Sky might have a League One or League Two play off semi on the Saturday but little other football to show.
It could be a belting day I do hope they're both daytime matches 1pm and 4pm which would make sense from the perspective of trying to attract a 100 style crowd (more families and more diversity) as opposed to the boozy stag do Friday night crowds and also make sense from perspective of offering fans of Derbyshire and the other two visiting sides a day out at Edgbaston with ample time to get home afterwards or enjoy Brum nightlife. To mind it's also pointless even having it on a Saturday if it's just gonna be in the evening anyway. Of course times will depend on Sky.
One of the protests/suggestions members made at recent forums was about the lack of weekend cricket - so at least this is partly addressing that concern of members. It's potentially an additional day of weekend county cricket in the sunshine - what's not to like?