It's my pleasure to help you run a report to show the numbers of time activities of the employee in QuickBooks Online.
You can pull up the Time Activities by EmployeeDetail report that shows the employees' worked hours and rates. To check the specific activity date, you'll need to customize the date. Let me guide you how:
Click on Reports.
In the search bar, type Time Activities by Employee Detail.
In Time Activity Date customize it.
Press the settings icon, to modify it.
You can always customize your QuickBooks reports to get the data you need.