To know what exactly happened, we need to reproduce this.
Please try to reproduce this behaviour in one of our online examples and post steps to reproduce here.
I modified the react-events example for you. Its attached to this reply.
You should see a red div at the top which says "Set Scheduler Date to today date". Click it, scroll around in the Scheduler und click again. You should see that the scheduler ist not going to todays date but somewhere else.