Yes, you can track time in QuickBooks Online. Let me give you more information on this.
To turn on and set up time tracking in QuickBooks Online Essentials, Plus, and Advanced.
Just use this feature to track and bill customers for the number of hours consumed in a project or activity.
Here is how:
Go to Settings ⚙ and select Account and Settings.
In the Time tracking section, select Edit ✏.
Set your time tracking preferences:
Add Service field to timesheets or Make Single-Time Activity Billable to Customer - When one of these boxes is checked, employees and contractors who fill out timesheets can specify if activities should be billed to a customer.
Show billing rate to users entering time (optional)
First day of work week▼drop-down - This affects how employees and contractors view weekly timesheets.
Select Save, then Done.
Here's how to add a time tracking user:
Go to Settings ⚙ and select Manage Users.
Select Add user.
Select time tracking only.
Find the employee or vendor you want to add, select Next, then enter their contact info.
Once added, the user can now enter hours in a timesheet: