Here's how Sessions work...
To add additional sessions to your event, click on the event date next to the word "When" on the Add/Edit event screen.
On the Event Times screen, select Multi Session from the "Repeats" drop-down menu.
From here, you can add and delete additional sessions for any date and time you like.
To add more, simply click the blue +Add button. To remove a session, click the red trashcan icon.
When you are done, click Apply.
Sessions give you the flexibility to display the exact dates and times for your multi-session events. This features is designed for movies, plays, workshops, classes, and any event that has unique times.