QB only works on a monthly calendar, you can not set the day of the month it ends

to get that info in financial reporting you will have to manually set the date range on reports

I would use November

Resolution for 'company fiscal issue: 'My company fiscal year is not the end of the month. How should I set the fiscal year?' available: Yes.

The company fiscal issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the company fiscal issue yourself by looking for a resolution described in the article. If it is a complex company fiscal issue or you are unable to solve the issue, you may contact us by clicking here or by using other company fiscal support options.

For more information about resolving issues related to company fiscal in Quickbooks/QBO or to get support for the issue 'My company fiscal year is not the end of the month. How should I set the fiscal year?', click the link below: