How to write a timesheet that gets you paid faster
Last updated: July 2026
A timesheet is not busywork — it is the document that gets you paid, and a vague one is the fastest way to a delayed payment or a "can you break this down?" email. A clear timesheet does the opposite: it answers the client's questions before they ask, and it converts into an invoice in minutes. Here is how to write one that holds up and speeds up payment.
What a timesheet is for
At its core a timesheet is a record of what you did, for whom, for how long, and whether it is billable. It serves three audiences at once: the client, who needs to trust that the hours are real before paying; you, who needs an accurate basis for the invoice and for pricing the next project; and, if it ever comes to it, a dispute, where a contemporaneous record is worth far more than a reconstruction from memory. Write it for all three and it does every job at once.
Anatomy of a good entry
Every line on a timesheet should carry the same handful of fields:
- Date — when the work happened.
- Client and project — who it belongs to. Nest projects under clients so nothing is ambiguous.
- Duration — start and end, or a total; captured, not guessed.
- Description — what you did, in the client's language (more below).
- Billable or not — so the invoice total is never in doubt.
- Notes (optional) — a fuller service description for the invoice, or context you will want later.
If your tracker captures these as you work, "writing" the timesheet is really just reviewing it. That is the whole trick — see Manual entries for the fields Døgn records per entry.
Describe the outcome, not the activity
The single biggest driver of fast approval is the description. Clients approve what they understand. Compare:
- Weak: "Development, 3h." Approvable only on trust.
- Strong: "Built and tested the checkout webhook handler; fixed the tax-rounding bug (3.0h)." Self-justifying.
Write in terms of outcomes and deliverables the client recognizes, not the tool or the raw activity. Avoid internal jargon, name the thing that changed, and keep it to one clear line. A good description is simultaneously your billing line item and, if anyone ever asks, your proof of work. For AI-assisted work specifically, describe what was accomplished rather than that an agent did it — more in how to bill for AI coding sessions.
Log as you go, review weekly
The two failure modes of timesheets are opposite and equally common: logging nothing and reconstructing the week from memory (inaccurate, and it under-bills), or trying to log everything by hand in real time (tedious, and you abandon it). The workflow that survives contact with a real week is a hybrid: let a tracker capture time automatically as you work, then spend ten minutes at the end of the week reviewing — approve the accurate entries, fix a miscategorised one, delete what is not billable, tidy a description. Ten honest minutes weekly beats an hour of guesswork at month's end, and it is the difference between a timesheet you trust and one you apologise for.
From timesheet to invoice
A finished timesheet should become an invoice almost for free. Once every entry has a client, a duration, a description and a billable flag, the invoice is assembly: group by client, apply the rate, attach the descriptions as line items. Some tools stop at a CSV export and leave the retyping to you; Døgn also offers an HMAC-signed webhook that pushes finished entries straight to a draft invoice you review and send. Either way, the reason to keep the timesheet clean all month is this last step: a tidy record turns into a document in minutes, and getting the invoice out sooner is the most reliable way to get paid sooner.
Questions, answered
What should a timesheet include?
Each entry needs a date, the client and project, the duration, a clear description of what you did, and whether it is billable. Optional notes can hold a fuller service description for the invoice. Capturing these as you work turns writing the timesheet into a quick review.
How do I write a good timesheet description?
Describe the outcome in the client’s language, not the activity or the tool: "Built and tested the checkout webhook (3.0h)," not "development." A self-explanatory line gets approved on sight and doubles as your proof of work if a line item is ever questioned.
How often should I fill in my timesheet?
Capture time continuously — ideally automatically — and review it once a week rather than reconstructing it at month’s end. Real-time recall is inaccurate and tends to under-bill; a short weekly review keeps the record honest without becoming a chore.
How does a timesheet help me get paid faster?
A clear, itemised timesheet answers the client’s "what was this for?" before they ask, so approval is faster and disputes rarer. And when entries already carry client, duration and description, converting the timesheet into an invoice takes minutes instead of an evening.