Free Working Days Calculator
Count business days between any two dates, excluding weekends and public holidays.
Holidays in date range:
What is a working days calculator?
A working days calculator is a free online tool that helps you count business days between two dates, excluding weekends and public holidays. It runs entirely in your browser — no signup, no app, and no data is ever sent to a server.
Need to know exactly how many working days fall between two dates? The working days calculator counts business days (Monday through Friday) and automatically excludes public holidays for your selected country. Unlike a generic days-between-dates calculator that only strips weekends, this tool knows about Easter Monday, Thanksgiving, Canada Day, Australia Day, and dozens of other regional holidays — so you get an accurate count whether you're in the US, UK, Canada, or Australia. That matters for contract deadlines, shipping estimates, visa processing times, and project planning where a holiday falling on a Tuesday genuinely costs you a day. What I've found after building these tools is that most people assume holidays are the same everywhere — and then a deadline gets missed because they didn't realize it was a bank holiday in the UK but not the US.
How it works
The calculator takes a start date and end date and walks through every calendar day in between. For each day it checks: is this a weekend day (Saturday or Sunday, or whatever your country defines)? Is this a public holiday? If the answer to both is no, it counts as a working day. The holiday data is computed algorithmically — Easter-based holidays use the computus formula (the same one used by the Catholic Church), and moving holidays like "first Monday of September" or "last Monday of May" are calculated dynamically for any year. That means the tool stays accurate forever without manual updates.
For example, between June 1 and June 30, 2026 in the United States, there are 22 working days (30 calendar days minus 8 weekend days minus 0 holidays — no federal holidays fall in that range). Between December 15 and January 15, expect fewer working days because Christmas and New Year's Day fall on weekdays and are excluded. The calculator also has an "Add Business Days" mode that answers questions like "what date is 10 business days from today?" — useful for contract deadlines, shipping estimates, and legal notices where the law specifies business days rather than calendar days.
When to use a working days calculator
Freelancers and agencies use a working days calculator to determine project timelines and delivery dates. Legal professionals use it to compute filing deadlines — many court rules specify business days for responses, not calendar days. HR teams use it to calculate payroll periods, PTO accruals, and notice periods. Shipping and logistics companies use it to estimate delivery times, since most carriers don't operate on weekends or holidays. Real estate agents use it to calculate closing dates and contingency periods, which are almost always defined in business days.
Contractors use it to estimate how many working days are available in a month for project scheduling. The "Add Business Days" mode is particularly useful for setting deadlines: if a contract says "the work will be completed within 30 business days," you can enter today's date and see exactly what calendar date that corresponds to — including skipping weekends and any holidays that fall in between. The calculator supports multiple countries because a holiday in the US might be a regular working day in Canada, and vice versa.
Common mistakes
The biggest mistake I see people make is assuming that a holiday that falls on a Saturday is still counted as a lost working day. In the US, when Christmas falls on a Saturday, the observed holiday is Friday — so you lose Friday, not Saturday. The same logic applies when New Year's falls on a Sunday (observed Monday). Most people just check the calendar date and say "Christmas is a holiday" without checking whether the government observes it on a different day. This calculator uses the actual observed date, so it handles this correctly.
Another frequent error: thinking that one country's holidays apply to another. If you're a US-based freelancer working with a UK client, and you calculate 30 business days from today using US holidays, you'll miss the mark if a UK bank holiday falls in that range. The calculator defaults to US holidays, but you can switch countries — and I strongly recommend using the client's country, not yours, for deadline calculations.
How to use this calculator
- Select your country — Choose from United States, United Kingdom, Canada, or Australia. Each country has its own set of public holidays and the calculator uses them automatically.
- Enter your date range — Pick a start date and end date using the date inputs. The calculator supports any date range — past, present, or future.
- Read your result — Working days appear instantly, along with calendar days, weekend days, and a breakdown of any holidays in your date range.
Frequently asked questions
How many working days are in a year?
In 2025, there are 261 working days in the United States (excluding 11 federal holidays and 104 weekend days). The exact number varies by country and year — leap years add a day, and each country has a different set of public holidays. The UK has 253 working days in 2025, Canada has 251, and Australia has about 250 depending on the state. Use the calculator above to check any country and year.
How do I calculate working days between two dates?
Count all calendar days between the two dates, then subtract weekends (Saturdays and Sundays) and any public holidays that fall within the range. For example, between Monday June 1 and Friday June 12, 2026, there are 11 calendar days but only 9 working days — subtract the 2 weekends (June 6-7 and June 13 is not included). The calculator handles all of this automatically, including country-specific holidays.
What is the difference between business days and working days?
Business days and working days mean the same thing — days when most businesses are open and employees work. They typically exclude Saturdays, Sundays, and public holidays. Some industries define business days differently (e.g., financial markets exclude certain trading holidays), but for most purposes, business days = Monday through Friday excluding public holidays.
How many working days are between two dates excluding holidays?
The number varies by country and the specific date range. For a typical 2-week period (14 calendar days), you get 10 working days if no public holidays fall in the range. If a holiday like Christmas or Independence Day falls on a weekday, subtract one more day. The calculator shows both the raw count and the holiday-adjusted number so you can see exactly which days are excluded.
Are Saturdays considered working days in any country?
Yes. In Israel, the work week runs Sunday through Thursday (Friday and Saturday are the weekend). In the UAE, the official work week shifted to Monday through Friday in 2022, aligning with Western markets. Some industries in every country operate 6-day work weeks. The calculator lets you configure which days are weekends, so it works for any country's schedule.
How do I calculate 10 business days from today?
Use the 'Add Business Days' mode: select today as the start date, enter 10 as the number of days, and choose your country. The calculator skips weekends and public holidays and gives you the exact calendar date. For example, 10 business days from Monday June 1, 2026 is Monday June 15, 2026 (skipping 2 weekends). If a public holiday falls in that range, it's skipped too.
What is the best way to count workdays for a project deadline?
For project deadlines, start by entering your project start date and the target end date into the calculator. Check the 'Exclude public holidays' option (enabled by default) and select your country. The result shows the exact number of working days available. Most project managers estimate 21-22 working days per calendar month. Remember that deadlines falling on a holiday are typically moved to the next business day.
How many working days in a month on average?
A typical month has 20-23 working days, depending on the number of weekend days and public holidays. February has 20 working days in a common year and 21 in a leap year (assuming no holidays). Months with 31 days and no major holidays — like January or August — have about 23 working days. December usually has the fewest because of Christmas and New Year's holidays.