What Mac Screen Time shows, and what it leaves out
Screen Time on a Mac is usually easy to find. What is harder is that Screen Time in System Settings already shows daily totals for apps such as Safari and Xcode, while the work you remember still does not match. This piece starts with how to open it, what it counts, and why it can diverge from other tools, then separates the questions it can answer from the ones that need another layer of records.
Opening it shows daily totals
On a Mac, Screen Time is in System Settings. After you open it, it gives a daily total by app and by website. You can see how long Safari, Mail, and Xcode were used. Websites are often added up by domain, so you can tell which kinds of sites the browser spent longer on today, but not which document or which issue each tab was on at the time.
Limits are changed in the same place. Downtime, App Limits, and Content & Privacy Restrictions control whether certain apps can still be opened, whether certain sites can still be viewed, or whether another Mac at home should have a cap. With these switches together, you can see that Screen Time is built for limits and parental controls. The daily total is used first as the basis for a limit, not as a work record laid out by project that you can look back through.
Windows, projects, and order are not included
Screen Time does not record window titles. Which artboard you edited in Figma, whether VS Code had the blog repository or the client site repository open, and which page you were writing in Google Docs do not appear next to that total. Projects are not broken out on their own. The system only recognizes the app name. An hour counted on Xcode does not say which repository it belonged to.
It also does not keep the order within the day. You might edit navigation in the client site repository in the morning, review the design in Figma only in the afternoon, and return to the same Google Docs document in the evening. The totals usually leave one row each for VS Code, Figma, and Google Docs. You cannot tell whether those stretches were continuous or split, so it is hard to say how many times you switched in between or which task came first.
When the numbers do not match, check the day boundary and what counts
When the numbers do not match, sometimes neither side has miscounted. The difference is where the day is cut. Hina counts a day from 4:00 a.m. to 4:00 a.m. the next day. If you are still editing the client site after midnight, that time stays in the same day, and the actual duration is assigned to that day too. Screen Time adds time on its own day boundary, and once midnight passes the new time often belongs to the next day. If you compare your sense of still working tonight with Screen Time’s today, what is missing is often the stretch after midnight.
Background activity is another thing to check: Mail fetching messages, a cloud drive syncing, and reviewing a design in the foreground are different activities. When the totals disagree, compare the recording scope and date boundaries before attributing the difference to background activity.
Add another layer when you need to recall the work
If you only want to know which apps took up more of today, or to set a limit on one app, Screen Time in System Settings is already enough. If you need to answer which page, which repository, and what order, the daily total cannot carry that. Add another layer of records that keeps the order and the window titles.
Hina is one of them. It stays in the macOS menu bar and records on the Mac. Window titles and webpage paths show up only if you turn them on yourself in privacy settings. The Trail then lays them out in the order they happened. If you leave them off, only the order of apps remains.