Let me add some information about time tracking in QuickBooks Online, @peter-jennett-gm.
You can use the QuickBooks basic time tracking. This Single Time Activity and Weekly Timesheets is available in QuickBooks Online Plus, Essentials, and Advanced users. You can go to the + New icon to enter hours in the time sheets. Check this screenshot:
To enter hours in the timesheets:
Go to the + New button and select either ingle time activity or Weekly timesheet.
Select the employee's name and check if the pay period is correct.