SudoWorkspace allows you to setup dateformat to fit for your country. The date format will be used all over the system including the customers area.
Navigate to Setup->Settings->Localization and choose the date format according to your requirements.
Available date formats:
Overwriting language strings
If you language is listed in the available SudoWorkspace languages and some translations dont fit for your needs you can easily overwrite by creating custom_lang.php file.