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What is time tracking? How to track work hours

Updated 6 min read By David from TimeRetain

Soft 3D clay desk scene with a chunky clock timer, an open notebook with abstract pastel work blocks, a green mug, a small succulent, and a pencil on a light wooden table.

Time tracking is recording when work starts, when it ends, and what you worked on.

That is the whole idea. You can track time with a physical notebook, a spreadsheet, a stopwatch, or an app. The tool you choose is secondary to the record itself: a list of work blocks with real timestamps and clear notes.

Software vendors often frame time tracking as employee monitoring, payroll compliance, or workforce analytics. For an individual, it is a private log of where your work hours went.

What a time entry includes

A useful time entry records:

  1. Date: when the session took place.
  2. Start and stop times: the real boundaries of the work block.
  3. Project or client: the timeline the hours belong to.
  4. Tag: the kind of work, such as Writing or Admin. Optional, and the same tag can apply across timelines.
  5. Note: what you did during that block.

Here is what an ordinary day looks like in a clean log:

DateStartEndProjectTagNoteTotal
Aug 2109:0010:30Client AWritingDrafted wireframes for checkout flow1h 30m
Aug 2110:4512:00InternalAdminCleared inbox and processed vendor receipts1h 15m
Aug 2113:0014:45Client BDevelopmentFixed database migration script1h 45m
Aug 2115:0016:00InternalWritingWrote draft for new blog post1h 00m

The gap from 12:00 to 13:00 is lunch. A private log can leave that gap. If you use the same table as hours-worked evidence, record the meal as an unpaid break.

If you bill clients by the hour, add a billable status or an hourly rate column. Still log unpaid admin. If you only want to watch your own hours, keep the table plain.

A descriptive note makes the entry useful two weeks later. Writing “Work” or “Client A” tells you nothing when an invoice is questioned. Writing “Drafted wireframes for checkout flow” takes five seconds and leaves no doubt.

How people track time

Most workflows fall into one of three methods.

1. Manual time tracking

You start a timer when you sit down to work. Stop it when you switch tasks or leave for a meal. You can also write the start and stop times by hand on paper or in a document.

Manual time tracking works because every entry begins with your own decision. You choose the label and set the boundary. When you look at the entry later, you know what the block represents because you created it deliberately.

2. Automatic time tracking

Background software watches your active windows, browser tabs, keystrokes, and open applications. Some tools take periodic screenshots of your desktop. Others log only the app or URL, with no screenshots.

An open editor tab is not proof of focused coding. Thirty open browser tabs do not explain which client the research was for.

Screenshot tools often dump that cleanup onto Friday. A log of apps and URLs still needs you to name the client, often in a daily review. Automatic time tracking apps fail when they treat raw computer activity as meaningful work.

3. Retrospective timesheets

You do not track time during the week. On Friday afternoon, you open a blank timesheet and reconstruct forty hours from memory, calendar invites, and sent emails.

Retrospective logging is easy on Tuesday and painful on Friday. Memory smooths out reality. A difficult 35-minute call feels like two hours, while three hours of scattered admin work disappear completely.

Why track your time?

People track time for different reasons depending on their role.

For freelancers and consultants

Tracking billable hours gives you clearer invoice items and can help reduce disputes. It also shows how much unpaid administrative work, marketing, and proposal writing surround your client hours.

For project pricing and estimates

When you take on fixed-fee projects, tracking hours shows your real hourly return. If a 1,000-dollar project takes 10 hours, you earned 100 dollars an hour. If scope creep pushes it to 40 hours, you earned 25 dollars an hour.

Comparing tracked time against the original estimate can flag an overrun. Check whether the scope expanded, the estimate was weak, or the work took longer than expected. If approved scope expands beyond the estimate and the contract allows it, propose a change order. Use the same numbers to price future projects.

For salaried employees

Salaried workers do not invoice by the hour, but a private work record serves practical needs:

  • Workload evidence: when management asks why a project is delayed, a clean hour log shows that meetings and support tickets consumed twenty hours of your week.
  • Performance reviews: a dated list of completed work can support talking points you already have. Hours alone do not run a review. This log is yours, not a manager dashboard.
  • Boundary defense: tracking your start and stop times shows when 40-hour weeks quietly turn into 55-hour weeks.

Keep the log private. It is not a substitute for payroll. Overtime rules depend on how the role is classified.

For a short time audit

You do not have to track time forever. A three-day time audit shows where your attention goes. Five workdays also show Monday versus Friday.

You find hidden time drains, adjust your schedule, and stop tracking once you have your answer.

What is a time tracker?

A time tracker is an instrument built to capture work blocks as they happen.

A physical stopwatch or a basic spreadsheet can work at first. A dedicated time tracker removes friction by handling the mechanical calculations:

  • Starting, pausing, and stopping with one tap.
  • Storing real start and stop times. If you round, do it on the export or the invoice.
  • Grouping sessions on a timeline per client or project, with tags for the kind of work.
  • Handling intervals that cross midnight.
  • Exporting a CSV for the billing tool you already use. Export JSON when you want a full backup.

Many people start with a spreadsheet and eventually run into the limits of row formulas. A spreadsheet works as a log, but building live timers and pause buttons inside it turns the spreadsheet into a software project you have to maintain.

How to start tracking time

Start with a small routine:

  1. One timeline per client or project. Put Client A on a timeline, not on a tag. Use four to six activity tags such as Writing, Admin, Meetings, Research, and Development. Timelines vs tags explains the split.
  2. Track sessions, not minutes. Start the timer when a work block begins. Stop for a meal or a task switch. Let a two-minute coffee refill run, unless those minutes should stay off an invoice.
  3. Clean up once a day. Spend two minutes at the end of each afternoon fixing rough notes and splitting mixed entries while your memory is fresh.
  4. Store your data locally. Use a tracker that stores entries on your device. Offline time tracking still needs a first load on the network. A browser can clear the log unless you install the app or keep a backup. Treat Sync as an optional copy.

Where TimeRetain fits

TimeRetain is a manual timer on your device. Start it when a work block begins, put it on a client or project timeline, tag the kind of work, and stop when you switch.

There is no account. Hours stay on your device, and Sync is optional.

Export a CSV into the invoices or sheet you already use.

TimeRetain

Track time on your own device. Start, stop, export.

Questions and Answers

What is time tracking?

Time tracking is recording when you work, how long the work takes, and what task you worked on. A record can live on paper, in a spreadsheet, or in a timer app.

What is a time tracker?

A time tracker is a tool that captures work hours as they happen. It records start and stop times and duration, and it lets you add a note and activity tags. When you have more than one client or project, you put each on its own timeline.

What is the difference between time tracking and a timesheet?

Time tracking is the daily habit of recording work as it happens. A timesheet is the cleaned-up summary or table you export, review, or use for invoicing and payroll.

Does time tracking actually work?

Tracking broad sessions gives you real start and stop times you can use for estimates and invoices. Reconstructing the week from memory on Friday does not.

Is time tracking good for employees?

Personal time tracking helps employees protect their boundaries, demonstrate workload, and review meeting costs. Time tracking causes friction when employers turn it into automated surveillance with screenshots or activity scoring.