You will be able to make changes for a $25 fee through August 17 at 6:00pm Pacific Time.

You can self service change your ticket date/time for $25 by logging in to view your ticket at Burner Profile https://here.burningman.org/my-tickets/login and select exchanges.
Then you can follow the steps in: https://support.showclix.com/s/a/Self-Service-Exchanges-Step-by-Step

Please note that if you have a BxB PLUS ticket (Bus PLUS event ticket), you are only eligible to travel on Monday Aug 29 and after and may not transfer this ticket to a general BxB ticket or route. Thank you for helping reduce traffic on the highway!

If you are changing your route, switching cities or switching directions, you must contact SCX support at 1-844-272-6505

Phone support hours are: Mon - Fri (7am - 3pm) Pacific Time