The Roblox Build An Island Celestial Event So, how does this event go down? The good news is that you’ll be warned about it via both a countdown timer and a tree icon that’ll appear on your ...

The World Tree Event occurs every three hours at the 00:30 mark in Build an Island. For instance, it can begin at 12:30 PM local time, following which the next one will be scheduled for 3:30 PM.