Yes, by clicking on an event in the calendar:
Depending on whether the invitation allows Open Attendance, Ticket Purchase Required, or RSVP Required the appropriate details page for the event will display.
For a Ticketed Event, on the Event Details Page, click on the Buy Ticket button to access the Ticket Form Page. Then, at the bottom of the page, select the check box to the left and specify the number of days before the event that you want to be reminded using the drop-down menu. Click Save.
For a RSVP-enabled event, on the Event Details Page, click on the Buy Ticket button to access the RSVP Form Page. Then, at the bottom of the page, select the check box to the left and specify the number of days before the event that you want to be reminded using the drop-down menu. Click Save.
For an Open-Attendance Event, at the bottom of the Event Details Page, select the check box to the left and use the drop-down menu to specify the number of days before the event that you want to be reminded. Click Save.