1. Go to: Plugins
2. Find: All-in-One Event Calendar by Time.ly
3. Click: Settings
4. Click the tab: Adding/Editing Events
5. From the dropdown "Input dates in this format" choose: "US (m/d/yyyy)"
6. Click: Save Settings
7. Go back to the Events
8. Hover over the event name and click Edit
9. Click Update.

All events in that series will now have the correct times.

Edit and update any remaining events as needed.