It’s official: Apple will be unveiling something new on Tuesday, September 10, CSMonitor.com reports. What is it? That’s for Apple to know, and the internet to guess. Members of the media were mailed invitations to the event at Apple’s headquarters in Cupertino, Calif. The party kicks off at 10 a.m. Pacific Time on Sept. 10. The invitation features a cluster of brightly colored circles surrounding the white Apple logo and reads: “This should brighten everyone’s day.”