According to St. Bernard Parish ordinance, here are the legal times for using fireworks surrounding the Fourth of July celebration in the parish: From Thursday, June 25 through Saturday, July 4, fireworks can legally be used from 9 a.m. until 11 p.m.On Sunday, July 5, they can be used from 9 a.m. until 10 p.m., when all use of fireworks must end for the 4th of July period.Any use ...