About the Working Days Deadline Calculator
What is the Working Days Deadline Calculator?
Service levels, refund timelines and HR notices are often set in working days. This working days deadline calculator finds the due date.
List your holidays and pick your weekly off to match your office calendar.
How to use the Working Days Deadline Calculator
- Start Date (sample: 23 Oct 2026)
- Working Days to Add (sample: 15)
- Weekly Off (sample: Saturday and Sunday)
- Holidays to Skip (optional)
- Press Find Working-Day Deadline (results also refresh as you type). The result card shows the Deadline, along with Calendar days spanned, Non-working days skipped and Counting rule.
Formula used
Deadline = Start date + N working days (weekends and holidays skipped)
Counting starts the day after the start date; negative numbers count backwards.
Worked example
These are the sample values already filled in the calculator above, and the result it returns for them:
| Input | Sample value |
|---|---|
| Start Date | 23 Oct 2026 |
| Working Days to Add | 15 |
| Weekly Off | Saturday and Sunday |
| Result | Value |
|---|---|
| Deadline | Fri, 13 Nov 2026 |
| Calendar days spanned | 21 |
| Non-working days skipped | 6 |
| Counting rule | Counting starts the day after the start date |
Weekly off patterns
Choose the weekly off that matches your office or bank:
- Saturday and Sunday – most offices and IT companies.
- Sunday only – many factories, shops and six-day workplaces.
- Sundays + 2nd and 4th Saturdays – banks in India under RBI rules.
- Friday and Saturday – some Gulf countries.
Public holidays differ by state, so paste your own list, one date per line.
Tips for using the Working Days Deadline Calculator
- Banks follow the 2nd and 4th Saturday rule – choose it for bank processing timelines.
- Add a buffer of one or two days for courier or processing delays.