The default timezone for the PSI Winterschool is Central European Time (CET), the current time in Switzerland.
Luckily, Indico allows you to convert the default CET timetable to your own timezone.
In the upper right corner of the browser window Indico shows you the timezone which is currently set. Default is CET:
So all times are CET. The opening session looks like this:
You may change the timezone, for example to Shanghai:
When you are on Shanghai time the time of the opening session change accordingly: