A frequent problem we've seen with larger hunts is that some players start playing before the event has begun. To prevent this, you can now enter a start time for your hunt, and get a suspenseful countdown as a bonus!
To do so, tap on Hunt Details, then When, while editing your hunt:
Enable Start Time, then choose the date and time you want your event to start at.
That's all you need to do. Your players will then be shown a live countdown screen, like this: