The weekStarts property determines the first day of week. Use a number (0...6; 0=Monday) or "Auto". The "Auto" mode uses the weekStarts value of the current locale.
"Auto"
dps.weekStarts = 0;
Event calendar/scheduling AJAX components. Available for JavaScript/HTML5/jQuery, ASP.NET, ASP.NET MVC. Build resource booking, project management, time tracking applications, personal and shared event calendars.