The duration depends on a convention. Sometimes they may take few days, even up to 5, and there are conventions that may take less than a day, due to various circumstances (e.x. placement, costs, time).
NiuCon convention takes 3 days. It starts at Friday’s morning (approx. 10:00a.m) and ends on Sunday’s afternoon (4:00p.m).
Posted in: Conventions FAQ