Mister Saturday Night and Mister Sunday are parties put on by DJs Eamon Harkin and Justin Carter. You can see the schedule and get tickets for both parties here .
Started in 2009 in DIY spaces and back yards, the parties these days happen at Nowadays , the place Justin and Eamon opened in 2015.
In addition to throwing parties and running Nowadays, Eamon and Justin run a label called Mister Saturday Night Records and produce a series called Planetarium , where people bring pillows, blankets and sleeping bags, lie in silence and listen deeply to music.