Aftershock Festival 2024 Dates. Aftershock festival 2024 set times for slayer, pantera, slipknot, iron maiden, judas priest and more. Aftershock festival 2024 will start on thursday, october 10 in sacramento, california at discovery park with slayer, pantera, and more performing.

173,030 likes · 7,605 talking about this. California’s biggest rock festival storms into sacramento with a powerful lineup of rock and metal favorites.