Calculate working days and business days between dates instantly. Exclude weekends, holidays, and customize your working week. Perfect for project planning, deadline calculations, and business date tracking.
This working days calculator calculates the number of business days between two dates, excluding weekends and optionally excluding holidays. It supports multiple weekend patterns (Saturday-Sunday, Friday-Saturday, Sunday-Monday, or custom weekday selections) and can exclude UK, US, or EU public holidays, as well as custom holidays you specify. The calculator is perfect for project planning, deadline calculations, contract periods, delivery schedules, and any situation where you need to know how many business days are between two dates. It provides detailed breakdowns showing total calendar days, working days, weekends excluded, and holidays excluded.
This calculator is designed for project managers planning timelines, business professionals calculating delivery dates, contractors estimating project durations, employees calculating notice periods or leave entitlements, legal professionals calculating business day requirements, and anyone who needs to calculate working days excluding weekends and holidays. It's particularly useful for UK businesses, international companies working across different holiday calendars, and anyone who needs accurate business day calculations for planning or compliance purposes.
For example, if you need to calculate working days from Monday, January 1, 2024 to Friday, January 31, 2024, with Saturday-Sunday weekends and UK holidays excluded, the calculator would show: Total calendar days: 31, Weekends excluded: 8 days (4 Saturdays + 4 Sundays), UK holidays in January: 1 day (New Year's Day), Working days: 22 days. This is useful for calculating project timelines, delivery schedules, or notice periods where only business days count.
Working days typically exclude weekends (Saturday and Sunday in most countries) and public holidays. However, this can vary by industry and country. Our calculator allows you to customize which days count as working days and which holidays to exclude.
Yes, you can add custom holidays by selecting a date and clicking "Add Holiday". These will be excluded from working day calculations along with any selected public holiday calendars. You can add multiple custom holidays and remove them individually.
Different countries have different public holidays. UK holidays include Bank Holidays like Easter Monday and Boxing Day. US holidays include Independence Day and Thanksgiving. EU holidays vary by country but may include common European holidays. Select the calendar that matches your business location or the most relevant one for your calculation.
Yes, you can select custom weekend patterns or choose specific weekdays to exclude. This is useful for businesses that operate on non-standard schedules, such as those that close on different days of the week.
This tool is for informational purposes only and does not provide financial, legal, medical, or professional advice. This calculator provides estimates based on calendar calculations and standard business day definitions. For legal, financial, or critical business date calculations, always verify results with qualified professionals or official sources. Holiday dates may vary by region and year, and some calculations may have specific legal or contractual requirements that this calculator cannot account for.
A working days calculator is an essential tool for calculating business days between two dates, excluding weekends and holidays. This free online calculator helps you determine the exact number of working days for project planning, deadline tracking, contract periods, payment terms, and business scheduling. Whether you need to calculate delivery dates, project timelines, or business day counts for invoicing, our calculator provides accurate results instantly.
Our working days calculator offers advanced features including customizable weekend patterns (Saturday-Sunday, Friday-Saturday, or custom weekdays), country-specific holiday calendars (UK, US, EU), and the ability to add custom holidays. This makes it perfect for international businesses, remote teams, and anyone who needs precise business day calculations that account for regional differences in working weeks and public holidays.
Important Disclaimer: This working days calculator is for informational purposes only. Results are based on calendar calculations and standard business day definitions. For legal, financial, or critical business date calculations, always verify results with qualified professionals or official sources. Holiday dates may vary by region and year.
Using our working days calculator is straightforward. Start by entering your start date and end date in the date picker fields. The calculator automatically handles date validation and ensures accurate calculations. You can swap the dates using the swap button (⇄) if you need to reverse the calculation.
Date Inclusion Options: Choose whether to include the start date and/or end date in your calculation. By default, the end date is included. This is useful when you need to know if a deadline falls on a working day or when calculating payment terms that include both start and end dates.
Working Days Mode: Enable "Use working days only" to calculate only business days, excluding weekends and holidays. This is perfect for project timelines, delivery schedules, and business day calculations where weekends don't count.
Weekend Exclusion: Enable "Exclude weekends" to remove weekend days from your calculation. You can choose from standard patterns (Saturday-Sunday or Friday-Saturday) or create a custom weekend pattern by selecting which days of the week should be excluded. This is essential for businesses operating in regions with non-standard working weeks.
Holiday Exclusion: Select a country (UK, US, or EU) to automatically exclude that country's public holidays, or add custom holidays manually. Custom holidays persist during your session and can be removed individually. This ensures accurate business day calculations that account for regional holidays and company-specific non-working days.
Results Breakdown: After calculating, you'll see total calendar days, total working days, weekend days excluded, and holiday days excluded. A detailed breakdown shows weeks, months, and years. Use the "Copy Results" button to copy your calculation summary, or "Share Link" to generate a URL that preserves all your settings for sharing with team members.
Example 1: Basic Working Days
Start Date: Monday, January 1, 2024 | End Date: Friday, January 12, 2024
Calendar days: 12 days
Working days (excluding weekends): 10 working days
Example 2: With Holidays
Start Date: December 20, 2024 | End Date: January 5, 2025
Calendar days: 17 days
Working days (excluding weekends and UK holidays): 9 business days
Example 3: Custom Weekend Pattern
Start Date: Monday, January 1, 2024 | End Date: Sunday, January 14, 2024
With Friday-Saturday weekend pattern: 10 working days
With Saturday-Sunday weekend pattern: 11 working days
Enter your start date and end date, then enable "Use working days only" or "Exclude weekends". The calculator will automatically exclude weekends and holidays (if enabled) to show you the exact number of working days between the dates.
Calendar days count every day between two dates, including weekends and holidays. Working days exclude weekends and optionally exclude holidays, counting only business days. For example, Monday to Friday is 5 calendar days but 5 working days, while Monday to the following Monday is 8 calendar days but 6 working days (excluding the weekend).
Yes! After enabling "Exclude weekends", you can choose from standard patterns (Saturday-Sunday or Friday-Saturday) or select "Custom" to choose exactly which days of the week should be excluded. This is perfect for businesses with non-standard working weeks.
Select a country (UK, US, or EU) from the dropdown to automatically exclude that country's public holidays from your calculation. The calculator includes major holidays for each country. You can also add custom holidays manually for company-specific holidays or regional variations.
Yes! Select a date and click "Add Holiday" to add it to your custom holidays list. Custom holidays are excluded from working days calculations when "Exclude holidays" is enabled. You can remove holidays individually, and they persist during your session.
This depends on your use case. If you're calculating a project duration where both the start and end days count, enable both toggles. If you're calculating days between dates (excluding both endpoints), disable both. For deadline calculations, typically the end date is included but the start date may not be.
Yes! After calculating, click "Share Link" to generate a URL that preserves all your settings, dates, holidays, and options. Anyone who opens the link will see the same calculation with all your inputs restored. You can also copy the results using the "Copy Results" button.
Yes! The calculator handles date ranges spanning multiple years correctly, accounting for leap years and year boundaries. Country holidays are calculated for the relevant years in your date range, and custom holidays work across any date range you specify.