How-to-simply...

Set First Day of Week to Monday in GNOME Calendar

  • 1 echo LC_TIME="en_GB.UTF-8" >> /etc/locale.conf
  • 2 $ locale first_weekday
    Check it is 2 (Monday)
    or reboot the system
  • N Just set LC_TIME to a locale that starts its week on monday. eg: LC_TIME=en_GB.UTF-8

References