 And so it's a great little thing for just an educational opportunity for everybody to understand what's going on with it. Well, Shenandoah Police is once again in charge of the fireworks show beginning at around dusk. Henson says preparing for the fireworks show is an all-day task. They start in the morning, probably around 6, 6.30, starting digging holes and setting the tubes that they shoot them off with and everything. I know last year they were out there for most of the day.