Calculate business days from any date — instantly.
Add or subtract working days from today (or any date) and see the result on a visual calendar. The tool skips weekends and the 11 U.S. federal holidays by default — perfect for contract deadlines, SLA windows, court filings and project planning.
The calendar, day by day
U.S. federal holidays in this period
Popular quick calculations
Common business-day windows people search for. Click to load instantly.
How the calculator works
This tool answers the question "what is X business days from today?" by walking the calendar one day at a time and counting only the days that qualify as working days in the United States. By default a working day is any Monday through Friday that is not on the official federal holiday list maintained by the U.S. Office of Personnel Management.
Adding business days
Pick your start date, choose Add, and type the number of business days you want to push forward — for example, 45 business days from today for a closing window, or 10 business days from today for a standard processing SLA. The result is your new date plus a labeled calendar showing every counted day.
Subtracting business days
Need to know the deadline that lands 30 business days before an event? Switch to Subtract. The counter runs backward, again skipping weekends and federal holidays.
Customizing the rules
If your contract counts Saturdays, or if your team treats only some federal holidays as days off, uncheck the relevant option above. The visual calendar will instantly recompute so you can verify the math.
When you'd use this
- Contracts & closings. "Inspection period: 10 business days from acceptance" — find the exact date the contingency ends.
- Legal deadlines. Many court rules count working days for responses and appeals. Always confirm with your jurisdiction's rules.
- Refunds & disputes. "Up to 45 business days from today" — see when a chargeback or refund window expires.
- SLAs & vendor delivery. Translate a 15 business day SLA into a concrete delivery date you can give a client.
- Project planning. Map sprint, design or hiring windows onto the real calendar with holidays already accounted for.
Why "business days" is fuzzy without rules
The phrase business day isn't standardized across the country. Banks, courts, federal agencies and private companies each define it slightly differently. This calculator uses the most common U.S. baseline — Monday through Friday, minus the 11 federal holidays — and lets you override either rule when needed.
Frequently asked questions
What is 45 business days from today?
45 business days is roughly 9 calendar weeks plus the days lost to any federal holiday in the range. Because the count depends on today's weekday and the holidays in between, the calculator above gives you the exact date — set the field to 45 and you'll see it instantly, along with every counted day marked on the visual calendar.
What is 30 business days from today?
30 business days from today is about 6 calendar weeks later — usually somewhere between 42 and 46 calendar days, depending on the number of holidays in the window. Memorial Day, Thanksgiving, Christmas and New Year's Day are common reasons a 30-business-day window stretches further than expected.
What is 10 business days from today?
10 business days from today is exactly two full work weeks (Monday through Friday) unless a federal holiday falls inside the window, in which case the result is pushed one calendar day forward for each holiday. The calculator does this for you automatically.
How are X business days from today calculated when X is large?
For larger numbers — 60, 90, 120 or more business days — the tool walks every day in sequence, skipping any day that doesn't qualify as a working day. There is no rounding or estimation, so you always get the precise target date.
Which holidays does the tool skip?
By default the calculator excludes the eleven federal holidays observed by the U.S. Office of Personnel Management: New Year's Day, Martin Luther King Jr. Day, Washington's Birthday (Presidents' Day), Memorial Day, Juneteenth, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving Day and Christmas Day. When a holiday falls on a Saturday it is observed on the preceding Friday; when it falls on a Sunday it is observed on the following Monday, per 5 U.S.C. § 6103.
Can I subtract business days to find a past deadline?
Yes. Switch the direction toggle to Subtract and the count runs backward from your start date, still honoring weekends and holidays.
Does the start date itself count as day one?
No. Following the standard U.S. convention, the start date is the anchor and the count begins on the next qualifying business day. So "5 business days from Monday" lands on the following Monday, not the same Friday.
Federal holiday dates follow the schedule maintained by the U.S. Office of Personnel Management (OPM) under 5 U.S.C. § 6103. Observance shifts (Saturday → Friday, Sunday → Monday) are applied automatically. This tool provides general scheduling information and is not legal or financial advice — always verify deadlines against the rules that govern your specific contract, court or jurisdiction.