In accordance with some embodiments, a computer-implemented method is performed at a portable multifunction device with a touch screen display. The computer-implemented method includes displaying a multiweek calendar on the touch screen display, detecting a contact on an individual day in the multiweek calendar, and in response to detecting the contact on the individual day, displaying at least a portion of a list of events on the contacted individual day while continuing to display the multiweek calendar, wherein the list of events on the contacted individual day includes an invitation to an event.