Hi,
I recently upgraded from 2014.3.1209 to version 2017.2.621 and the timeline view of the scheduler is no longer rendering correctly and moving the appointments left. I have attached a screen shot of the issue showing an appointment that starts at 8am and ends to 5:30 pm. Tracing it through it looks like the appointment is getting a margin-left of a negative value set on render sending it off the left hand side of the scheduler.
Thanks.