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

To select the calendar type, do the following:

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

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

3. Click the Apply button to save the changes.
4. Restart Axxon Next (see Shutting down an Axxon Next Client, Starting an Axxon Next Client).

When Axxon Next is restarted, the selected calendar type will be applied.