how to set the calendar date to start on Monday

[OptimusBain]

Hello,

I am trying to add dates but the calendar pop up starts on Sunday ;( How can I change it to start on Monday? I can't find how to do that.

Thank you

[DawPi]

Calendar ACP settings:

yourboard.com/admin/?app=calendar&module=calendars&controller=settings

-> Start calendar on Monday