When working with Axxon One, the user can choose the type of calendar used (Gregorian or Persian).

To select the interface language, complete the following steps:

1. Go to Settings → Options → Regional settings (1–2).
   

2. Select the calendar type that is used in Axxon One from the calendar drop-down list (3). 

   In the Axxon One VMS, time and date formats and values are defined on the OS level (4).

   
   

3. Click Apply to save the changes.
4. Restart Axxon One.

The newly selected calendar type will be applied once Axxon One is restarted.