I hope you're having a wonderful day, info1249.
I'm here to walk you through the steps where to adjust the financial reporting year or accounting year. Simply follow these steps:
Please see this sample screenshot for a visual guide:
Once done, try running a report, and you will see the date underneath the report name. Here's a sample screenshot for reference:
To modify the settings, you can read this article: Edit company settings in QuickBooks Online.
Happy to help if you have other questions or concerns with your QuickBooks Online account. Stay awesome!