See the schedule for the events. There will constantly be an event going on par a few spare times for obvious reasons when those occur. Please also see the schedule for compulsory events and non-compulsery. Very event has a purpose. Each event also works differently. 

In Events they answer the who, when, where, how, why. It is strongly recommended to read how the events work and as always sign your name under the attendance sheet if your selected attends. The more attendance of an event the higher chance you ave to win points.