Working Days Calculator: Business Days
Calculate working days between dates — excluding weekends, public holidays, and custom days off.
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Working Days Calculator: Business Days A working days calculator counts the number of weekdays between two dates, excluding Saturdays, Sundays, and optionally public holidays. The ISO 8601 date standard defines the date format used in international business calculations. Public holiday calendars vary by country and are maintained by national governments; India's Gazette of India publishes official public holiday notifications. Enter a start date and end date; the calculator returns the number of business days in between — useful for project planning, payroll, contract deadlines, and notice periods. --- See our complete guide to health and productivity calculators for the full toolkit. What Is a Working Days Calculator? A working days calculator takes two dates and returns the number of…
Frequently Asked Questions
How do I calculate working days between two dates?
Count all calendar days between the two dates, subtract the weekend days (Saturdays and Sundays), then subtract any public holidays that fall on weekdays. For a quick manual count: multiply full weeks by 5, then handle the remaining days individually accounting for weekend positions.
How do I exclude public holidays from working day calculations?
You need a list of public holidays for your country and year. Major economies publish official holiday calendars — the US Office of Personnel Management publishes federal holidays, UK GOV.UK publishes bank holidays. Subtract any holidays that fall on weekdays from your business day count.
What is the NETWORKDAYS function in Excel?
NETWORKDAYS(start_date, end_date, [holidays]) is Excel's built-in business days counter. It counts all weekdays between two dates, subtracts weekends automatically, and optionally subtracts a list of holidays you specify. NETWORKDAYS.INTL accepts a custom weekend parameter for countries with different work weeks.
How do I calculate project deadlines in business days?
Start from the project start date, add the required business days, and skip over weekends and holidays. A project starting Monday that needs 10 business days ends the Friday of the following week (if no holidays intervene). Tools like WORKDAY() in Excel or an online working days calculator automate this.
What are the official public holidays by country?
Public holidays vary significantly: the US has 10 federal holidays; the UK has 8 bank holidays in England and Wales (more in Scotland and Northern Ireland); Germany has a mix of national and state-specific holidays averaging 9–13 per year. The ILO and national government sites are the authoritative sources.
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