Green Day fans.First, the bad news — there is no official Green Day tour in 2023 (as of now).Sorry about that.However, the good news is that the legendary band will be headlining at three major festivals from July through October this year.To kick off their string of summer dates, the Rock and Roll Hall of Famers will lend their talents to Milwaukee, WI’s Harley Davidson Homecoming on July 14-15.After that, Billie Joe Armstrong and co. head north to perform at Quebec’s annual 11-day Festival d’ete de Quebec on the fest’s last day, July 16.Finally, the punk heroes will wrap their brief 2023 run with back-to-back performances at Las Vegas’ When We Were Young Festival on Oct.