Apple is holding an event on September 9, the company said in an invitation to the press Tuesday, where it will likely announce the iPhone 17 and new Apple Watches, among other potential new devices.

Apple on Tuesday sent out invites for its annual fall iPhone launch event, which is slated for Sept. 9 at 10 a.m. PT. The company is expected to unveil the iPhone 17 lineup, which could include a slimmer version of the handset.

Apple’s next slew of iPhones will go on sale in September, almost certainly less than four weeks from now. Before then, it’s probably under three weeks before all is revealed at the next keynote. And the soonest development could be as soon as Tuesday, Aug. 26. Here’s your complete guide to what’s coming, including times to the minute.