About the Notice Period Calculator
Find your last working day from the resignation date and notice period in days, weeks or months.
Also known as: last working day, resignation notice, notice period end date.
How to use this calculator
- Enter resignation date, notice length, unit, leave days to adjust (optional).
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Last day = resignation date + notice − 1 day
Worked example
Using the values pre-filled in the calculator above:
- Resignation date: 2026-09-22
- Notice length = 30
- Unit: Days
- Leave days to adjust (optional) = 0
the calculator returns:
- Last working day: Wednesday, October 21, 2026
- Calendar days served: 30