Business days calculator
Add business days to a date, or count the business days between two dates. Weekends and holidays are skipped for the calendar you choose.
Pick a calendar and date, then press Calculate.
Counting uses start-exclusive, end-inclusive (like "business days until"). Free playground: 50 calculations a day.
Which calendar should I pick?
- US Federal Reserve: ACH, direct deposit, wires and most US bank deadlines.
- New York Stock Exchange: trading days and T+1 settlement.
- TARGET2: euro payments and SEPA.
- UK Bacs: UK Direct Debits and bank transfers.
- A country: general deadlines like contract or delivery dates.
Need this in your app?
The same calculation is one API call: GET /v1/business-days/add?calendar=us-fed&date=2026-11-25&days=2. See the docs or the guides for JavaScript, Python and Excel.
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