Example from https://doc.daypilot.org/calendar/time-header-active-areas/ is not work (nothing happens when i click on time) on DayPilot Pro for ASP.NET WebForms 2020.2.3743 May 15, 2020 The same functionality worked for previous release version.
This issue should be fixed now in the latest sandbox build (2020.2.3744):
https://aspnet.daypilot.org/sandbox/