In order to add a new schedule time. You will need to click settings, then resources, then trips:
Click anywhere on the trip you'd like to add a schedule or departure time to:
Then select the schedules tab once inside the trip:
Then select add schedule.
A new blank line will appear on top:
Fill out the boxes to your desired addition and hit save at the bottom of the page.
Please note: Once created, it will be available at all days for all tickets (that apply) until further customization is setup.