Change the first day of week

Get your current locale with

locale

Edit the your locale and change the value of first_weekday and regenerate your locale

sudo vi /usr/share/i18n/locales/en_US # if en_US is your locale
first_weekday 2
sudo locale-gen
killall gnome-panel

Sources

May 31, 2011, 7:40 a.m. index
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