http://www.newsweek.com/fortnite-fortnitemares-finale-butterfly-event-start-time-leak-1200316 > Fortnite is hosting another major in-game event Sunday afternoon called the Fortnitemares Finale. Below, we’ll recap everything you should know about its start time and predictions for what might happen. > According to the dashboard event post on PS4, the Fortnitemares Finale begins at 1 p.m. EST and will last about five minutes.