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Working Days Calculator

Free working days calculator. Calculate the number of business days between two dates, excluding weekends. Perfect for project planning, deadline tracking, and calculating delivery times.

Working Days
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Mon-Fri only
Total Days
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Including weekends
Weekends Excluded
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Our free working days calculator calculates the number of business days between two dates, automatically excluding weekends (Saturdays and Sundays). This is essential for project planning, deadline tracking, calculating delivery times, and understanding how long tasks will take in actual working time.

What are Working Days?

Working days (or business days) are typically Monday through Friday, excluding weekends and public holidays. In most countries, the standard work week consists of 5 working days, though this varies by country and industry.

How to Use the Working Days Calculator

  1. Enter your start date
  2. Enter your end date
  3. Choose whether to include the end date in the count
  4. See the number of working days instantly

Common Use Cases

  • Project Management: Calculate realistic timelines excluding weekends
  • Delivery Estimates: "Your order will arrive in 5-7 working days"
  • Contract Deadlines: Legal agreements often specify working days
  • Payroll Processing: Calculate pay periods and processing times
  • Shipping: Business shipping estimates typically use working days
  • Notice Periods: Employment notice periods are often in working days

Working Days vs Business Days

These terms are often used interchangeably, but there can be subtle differences:

  • Working Days: Usually refers to Monday-Friday, excluding weekends
  • Business Days: May also exclude public holidays in addition to weekends

This calculator focuses on working days (Monday-Friday), giving you the pure count of weekdays between dates.

Working Days by Country

Country/Region Working Days Weekend
Most Western countriesMonday-FridaySaturday-Sunday
Middle East (UAE, Saudi)Sunday-ThursdayFriday-Saturday
IsraelSunday-ThursdayFriday-Saturday
BruneiMonday-Thursday, SaturdayFriday-Sunday

Quick Reference: Working Days in Common Periods

Period Approximate Working Days
1 week5 days
2 weeks10 days
1 month20-22 days
3 months (quarter)65 days
6 months130 days
1 year260 days (52 weeks × 5)

Tips for Project Planning

  • Always clarify whether "days" means calendar days or working days
  • Add buffer time for unexpected delays
  • Consider holidays that may affect your timeline
  • Communicate clearly with clients about working day expectations

Frequently Asked Questions

What counts as a working day?
Working days are typically Monday through Friday, excluding weekends (Saturday and Sunday). They do not automatically exclude public holidays — this calculator excludes weekends only. For holiday exclusions, use the Business Days Calculator.
How many working days are in a month?
Most months have 20–23 working days, depending on how weekends fall. February with 4 full weekends has 20 working days. Months with 5 weekends and 31 days can have 23. The exact count changes every year.
How many working days are in a year?
A standard year has approximately 260–262 working days (52 weeks × 5 days, plus or minus 1–2 depending on how Jan 1 and Dec 31 fall). This does not account for public holidays, which typically reduce it to around 250 depending on your country.
How do I calculate a deadline N working days from today?
Start with today's date, then count forward N weekdays (skipping Saturdays and Sundays). This calculator does that automatically — enter today as the start date and find the end date that gives you the target number of working days.
What is the difference between working days and business days?
Working days are Monday–Friday excluding weekends. Business days also exclude public holidays. For deadlines or contracts that specify business days, use the Business Days Calculator to add your local holidays for accurate results.
Why does the working day count matter for project planning?
Calendar day estimates can significantly overstate available time — a two-week project is only 10 working days, not 14. Working day calculations give a more accurate picture of how long tasks actually take and help avoid deadline surprises from weekends eating into your schedule.

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