Notice Period Calculator — Your Last Working Day

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Resigning? Know your exact last working day — or the last day you can resign to make a start date.

Resignation date

Notice period (days)

Common notice periods: 15/30/60/90 days — check your own contract, and whether it counts calendar days or working days.

How to use this tool

1. Choose your direction: know your last working day, or the last day to resign for a future start date.
2. Enter the date and your notice length in days.
3. Press Calculate — the exact date appears, weekday included.

Example

Resigning on 15 September with 30 days' notice → last working day 15 October. A new job starting 1 December with 60 days' notice → resign by 2 October (with a day's buffer).

The formula

forward: last day = resign date + notice days  |  backward: resign by = start date − notice days

What the result means

Notice periods are usually calendar days but contracts differ — some count working days, some allow leave encashment to shorten them, some allow payment in lieu. The calculator gives the raw calendar answer; the last word is always your contract and your HR conversation.

Frequently asked questions

Are notice days calendar days or working days?

Usually calendar days, but some contracts specify working days — which stretch the calendar span by weekends. Read the clause; it's often the most misunderstood sentence in the contract.

Can I shorten my notice period?

Sometimes: unused leave can offset days in many contracts, and payment in lieu buys out the remainder. Both need employer agreement — ask early, not at the end.

What if my employer waives the notice?

Then your last working day moves earlier and your relieving letter should reflect it. Get the waiver in writing — future background checks depend on clean dates.

Is my resignation data private?

Yes — the calculation happens entirely in your browser.

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Explore the island world

• Career Station — the island where this tool lives.
• The Main Island — drive the boat, explore the whole world.
• The 90s Kids Island — where most of us started.

Privacy & data: this tool runs entirely in your browser — nothing you type is uploaded, saved or sent anywhere. · Disclaimer: tools are for guidance only — follow the exact requirements of each employer and platform. · Privacy Policy · Disclaimer