Not to worry, vfilec. I'm here to help you correct your invoice date.

Changing the invoice date in QBO is pretty easy. Let me show you how to do it:

1. Navigate the Invoices tab.
2. Locate the invoice you'll want to correct.
3. Click on Edit under the Action column.
4. From the Invoice window, click on the Invoice date and modify it.
5. Select Save as draft.

I've added screenshots for your visual guide:

The steps are sure to help you with correcting the appropriate date of an invoice.

You can also check out create invoices in QuickBooks Self-Employed to learn additional details.

That's it! If you have anything else to add about creating invoices in QBO, please tag me directly. I'll be right here to help.