Steps to reproduce:
Go to https://docs.telerik.com/kendo-ui/controls/scheduling/scheduler/how-to/editing/modify-editor-when-event-is-new
Click "Open in Dojo"
Click Run
Doubleclick any free slot different from today day (e.g. click on Thursday if today is Monday)
In the open popup select Repeat=Weekly
Actual Result: Monday checkbox is checked by default
Expected behavior: Thursday is checked by default because of is created for Thursday
The same issue is reproducible when selecting other Repeat options
In the open popup from the previous steps select Repeat=Daily
Pay attention to "On" option value
Actual Result: On option says 1/7/2019
Expected behavior: 6/13/Y is selected in default option because of selected date for the event 6/13/2013