Format a date and time field
Standard date and time format strings
How to Change the Date Format of a Date Field in a Word Mail Merge
Solved: Date Formats using Project Online Data
Can also match a literal Z for Zulu UTC time.
Using dateStyle and timeStyle The main recommendation to follow is to prefer using dateStyle and timeStyle over dateFormat.
I'm here to bring additional clarification about changing the date format of your reports in QuickBooks Desktop.