When working with C-Werk, the user can choose the type of calendar used (Gregorian or Persian).
To select the interface language, complete the following steps:
- Go to Settings → Options → Regional settings (1–2).
- Select the calendar type that is used in C-Werk from the calendar drop-down list (3). The short and long forms of dates are also displayed in their respective fields (4).
- Click Apply to save the changes.
- Restart C-Werk.
The newly selected calendar type will be applied once C-Werk is restarted.