When you add events to your calendar, there are several ways that they can be organized. If you add a time to your events, this will be the usual way that they are organized. Events without a time are sorted in the order that they were added to your calendar.
If you don't want to add a time to your event and are not using any of these other sorting methods you can sort your events in alphabetical order by turning on a feature in your "Customize" screen.
To turn on alphabetical sorting follow the steps in the image below:
