It is possible to define the regional settings during the first setup of CollabOS or you can redefine it anytime on “System” > “Regional settings” and then reset the regional settings, and date and time as you can see below.
In the CollabOS menu, go to System. (Click here to learn how to find your settings)
Select “Regional Settings.”
You can redefine the Regional Options by tapping on “Reset regional settings.”
Select your Country, Time Zone, and Language.