Okay, I found a conflict between the phone app. and the web site and I don't know which one is the correct one (please be web site one, please be web site one, please be web site one).
Web site schedule, Tuesday 12:45 start time:
Data15 app, Tuesday 11:15 start time:
Another one, Capacity Planning for Tableau Server.
Web site :
The Data15 app. has Wednesday at 2:45PM - 3:45PM
These two items are not present in the Data15 app. for Tuesday:
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