What is 311 day after july 13?

Unfortunately, as an AI language model, I don't have any information about 311 day celebration after July 13. However, I can tell you that 311 day is an annual music event celebrated by fans of the American rock band 311 on March 11. The celebration began in 2000 when the date coincided with the band's name, and since then, it has become an unofficial holiday among fans. The band performs a special concert on this day, which is often live-streamed for fans around the world to enjoy. The event includes special merchandise releases, fan meet-and-greets, and other activities, making it a celebration of the band's music and community.