The Pro14 decider will kick off 30 minutes earlier than first scheduled to avoid a clash with the Champions League final on Saturday fortnight.
The Aviva Stadium showpiece will now start at 6pm, with the Liverpool v Real Madrid collision in Kiev slated to begin at 7.45pm.
It's good news for Irish sports fans, many of whom are likely to have a huge interest in both games.
Leinster's semi-final clash with Munster means an Irish province will definitely line up at Lansdowne Road, where they'll face either Scarlets or Glasgow Warriors, who meet in the other last-four match.
With Jurgen Klopp's men enjoying such massive support on the Emerald Isle, it's shaping up to be a blockbusting day of sport.
They came through a nerve-shredding trip to Roma 7-6 on aggregate to earn a swing at Real Madrid, who are chasing a third European Cup in a row.
