Thank you for dropping your question here in Community, @Stephen84.

Since this feature is not available at the moment, consider checking third party applications.

Let me guide you how.

1. On the left navigation pane, select Apps.

2. You can search an app using the search bar or Browse Category drop down.

3. Select Track time.

You can choose the application that best suites for your business needs.

Also you can visit the intuit blog for latest feature updates.

Feel free to post here in Community for additional questions, I'm always here to help.