Working Days Calculator
Count the number of working days (Monday–Friday) between two dates, excluding weekends.
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How to use this calculator
- 1
Set the start date (e.g., today or the project start date).
- 2
Set the end date (e.g., a deadline).
- 3
Working days (Mon–Fri), weekend days, and total calendar days appear instantly.
Frequently asked questions
Does this include public holidays?
No — it counts all Monday–Friday days regardless of public holidays. For holiday-aware calculations, use the Business Days calculator with a specific country calendar.
Are the start and end dates included?
Both the start date and end date are included in the count if they fall on a working day.
What defines a "working day"?
This calculator defines working days as Monday through Friday. It does not account for regional weekend variations (e.g., Friday/Saturday in some countries).
Counting working days between dates
How to use the working days
This working days gives you instant, accurate results — no registration or download required. Enter your values above and get your result in seconds. The tool is free, works on all devices, and keeps your data private — nothing is stored or shared.
How the working days works
The working days uses standard formulas used in financial planning, budgeting, and investment decisions. Enter your inputs, and the tool calculates the result instantly in your browser. No server-side processing means your data stays on your device. Results update in real time as you change inputs.
Who uses this working days
This tool is used by financial professionals, students, and anyone managing money. Whether you need a quick estimate or a precise figure for a decision, this working days delivers reliable results. It is especially useful when you need to check a calculation without opening a spreadsheet or searching for a formula.
Why working days matter
Many business processes — invoice payment terms, delivery SLAs, legal notice periods, employee notice periods — are defined in working days rather than calendar days. Counting them manually across weeks requires checking a calendar; this tool does it instantly.
The difference between working days and business days
Working days simply exclude weekends (Saturday and Sunday). Business days go further by also excluding public holidays specific to a country or region. Use the Business Days Calculator for country-specific holiday exclusions.
Working days: how it works
Date and time calculations underpin project planning, legal deadlines, contract management, and everyday scheduling. This tool handles the arithmetic automatically, accounting for leap years, time zones, and calendar edge cases.
Who uses this tool?
Project managers, solicitors, HR teams, and individuals use it to count days, plan around weekends, and verify contract dates — any situation where getting the timing right matters.
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Results are estimates for informational purposes only and do not constitute professional financial, medical, legal, or technical advice. Read full disclaimer →