Need help about Palp event

I would like to know the specific time of the event so that I can farm rebels. I have AA 6* g8, Biggs 7* g8, Wiggs 4* (45/65 soon will be 5*) g7, Leia 5* g7, Luke *4 g6 and Srp 4* (5/65) g5. Do you th...