Financial Calendars Note: Clicking Default button resets the property to the system default value. Specify details for the financial calendars. Select CGM from the main SunSystems menu. Select Application > Financial Calendars. Click Edit to change the settings. Specify this information: Furthest Year Allowed The latest year you can enter in the system. The default is 4000. Earliest Year Allowed The earliest year you can enter in the system. The default is 1900. Click Save to save your changes.