How to Find Your Last Working Day After Handing In Notice

A four-week notice period handed in on Thursday, October 1, 2026 ends on Thursday, October 29, 2026 — if your contract counts calendar days. If it counts working days, a single public holiday inside that window pushes the same notice period into November. Most disagreements about a leaving date come down to which of those two methods the contract actually uses, and almost nobody checks before they send the letter.

Here is how each method works, what the statutory floor is in the US, UK, Canada and Australia, and what to do when the arithmetic lands you on a Sunday.

Calendar Days vs. Working Days

Notice periods are written one of two ways, and the wording decides the date.

Calendar days is the common case. "Four weeks' notice" means twenty-eight consecutive days including weekends and holidays. Notice given on a Thursday ends on a Thursday, four weeks later, every time. It is the method most employment contracts use because it is unambiguous.

Working days is the exception, and it usually appears as a number — "twenty working days" rather than "four weeks." Weekends do not count, and neither do public holidays your employer observes. Twenty working days is four weeks only when no holiday falls inside the window; add one observed holiday and your last day moves to the following Monday.

There is a third variable worth checking: whether the clock starts on the day you hand in notice or the next working day. Contracts that say "notice takes effect from the following working day" quietly add a day to every calculation.

Statutory Minimum Notice — US, UK, Canada, Australia

Statutory minimums are floors, not the answer. If your contract says eight weeks and the law says one, you owe eight weeks. The floor only matters when your contract is silent or you never signed one.

Two things fall out of that table. First, the statutory floor for a resigning employee is low or absent everywhere — the number that binds you is nearly always contractual. Second, the UK is the only one of the four with a single national figure you can quote from memory. In Canada and Australia, the binding number lives in a provincial standard or an award, so "the law says two weeks" is not a sentence that survives contact with either country.

This is general information, not legal advice. Read your own contract, and if the notice period in it is unclear, ask HR to confirm the date in writing.

Worked Example — Thursday, Four Weeks' Notice

You resign on Thursday, October 1, 2026 with a four-week notice period. Counting calendar days, with the day you give notice as day zero:

Now run the same notice period as twenty working days, starting the next business day. October 2 is day one, weekends are skipped, and the twentieth working day is Thursday, October 29, 2026 — the same answer, because no observed holiday falls in that window.

Change the start date and they separate. Give four weeks' notice on Thursday, October 29, 2026 and the calendar-day method ends you on Thursday, November 26, 2026, which is Thanksgiving — a federal holiday, falling on the fourth Thursday in November per the U.S. Office of Personnel Management. Counted in working days, that holiday does not count, so your last day slides to Friday, November 27, 2026. One word in the contract, one day of difference, and a payroll record that says something different from your letter.

If you would rather not count squares on a calendar, you can have the days counted for you under either method.

When Your Last Day Lands on a Weekend or Holiday

Round notice periods land on weekends constantly. Take the same October 1 resignation with one month's notice instead of four weeks: one month from Thursday, October 1, 2026 is Sunday, November 1, 2026.

Contracts resolve that in one of two directions, and yours should say which:

• Roll back to the last working day before it — Friday, October 30, 2026. This is the more common reading, and the one payroll usually applies.
• Roll forward to the next working day — Monday, November 2, 2026. This shows up where the notice period is a minimum you must fully serve.

Two days apart sounds trivial until you notice what hangs on it: the date your health coverage ends, whether you are employed on the first of the month for benefits purposes, and when the final paycheck is calculated. If your contract is silent, propose the date in writing and ask for confirmation. Nobody argues with a date they agreed to in an email.

The same rule applies to a last day that lands on an observed holiday. You cannot be present on a day the office is closed, so the last day you actually work is the previous business day, regardless of what the letter says.

Contractual Notice vs. Statutory Minimum

Work through it in this order, and stop at the first document that gives you a number.

1. Your signed contract or offer letter. This is the binding figure in almost every case.
2. The employee handbook or policy, if the contract points at it.
3. An award, enterprise agreement, or collective agreement — this is where the Australian number usually lives, and where a unionized US or Canadian role's number lives too.
4. The statutory minimum for your country or province, which applies only when nothing above gives a figure.

If the contract requires more notice than you want to give, that is a negotiation rather than a calculation, and the outcome is usually a shorter period agreed in writing. Leaving early without that agreement can put accrued entitlements at risk depending on where you work.

One more thing worth doing before you commit to a date: if you are still weighing the role that prompted the resignation, run both packages through the Job Offer Comparison Calculator first. A start date that forces you to serve an extra month of notice is a real cost, and it belongs in the comparison.

Calculate Your Last Working Day

The date is the first decision, not the last — your resignation letter, your start date at the new job, and your final paycheck all depend on it. Select your country and enter your resignation date into our free Notice Period Calculator to get your exact last working day.

FAQ

Does my notice period include weekends?

If your contract expresses notice in weeks or months, yes — those are calendar periods, so weekends and holidays are inside the count. If it expresses notice as a number of working days, weekends and observed public holidays are excluded, which makes the same nominal period run longer on the calendar. The wording in the contract decides it, not local custom.

Can I leave before my notice period ends?

Only by agreement. Your employer can waive part of the notice, put you on garden leave, or accept an earlier last day, and any of those is fine once it is confirmed in writing. Simply not turning up for the remainder is a different matter and can affect final pay and references depending on your contract and jurisdiction.

What happens if I give less notice than my contract requires?

That depends entirely on the contract and where you work. Some contracts allow the employer to withhold pay for the unserved days or to recover training costs; others treat short notice as a matter for the reference rather than the paycheck. If you need to leave sooner than the contract allows, ask for a shortened period in writing before your last day rather than after it.