Business Days & Working Hours Calculator
Last Updated: July 1, 2026
Workweek & Hours Configuration
Customize working days, business hours, and company holidays.
Any date entered here that falls within your date range on a scheduled working day will be subtracted from the business days count.
Select Date Range
Calculation Breakdown
Compute working days, business hours, and project deadlines between two dates. Supports 5-day, 6-day, and Middle East workweeks with custom holiday exclusions.
How To Use
Follow these simple steps to get started with business days & working hours calculator.
Choose calculation mode
Select 'Count Days Between Dates' or 'Calculate Deadline (Add/Subtract Days)'.
Set your schedule
Choose a 5-day, 6-day, or custom workweek, enter working hours per day, and configure optional holidays.
Select dates or day count
Pick start and end dates on the calendar or enter the target business days to add.
Review breakdown and copy
Inspect working days, total hours, calendar days, and weekend exclusions, then copy the summary.
Real-World Examples
Practical situations where business days & working hours calculator helps solve real problems.
SLA & Contract Turnaround
Calculate exact business-day turnaround windows for client service agreements and legal notices.
Agile Sprint Capacity Planning
Determine true engineering hours available across a 2-week sprint while accounting for national holidays.
Invoice & Payment Due Dates
Compute 'Net 15', 'Net 30', or custom business-day payment deadlines for commercial billing.
Employment Notice Periods
Calculate official release dates and working days for employee resignation and notice periods across 5-day and 6-day companies.
Why Use This Tool
Discover how this tool can improve your workflow and productivity.
Flexible Workweek Schedules
Toggle between standard Monday–Friday (5-day), Monday–Saturday (6-day), Sunday–Thursday (Middle East), or custom workday selections.
Working Hours Computation
Define hours worked per day (e.g. 7.5, 8, or 9) to accurately estimate billable hours and team capacity.
Custom Holiday Exclusions
Paste or type public and regional holidays to exclude non-working days from your project timeline.
Deadline Calculation Mode
Add or subtract business days from any start date to find exact legal, financial, or contract deadlines.
Common Use Cases
Practical scenarios where this tool can help you get things done.
SLA & Contract Turnaround
Calculate exact business-day turnaround windows for client service agreements and legal notices.
Agile Sprint Capacity Planning
Determine true engineering hours available across a 2-week sprint while accounting for national holidays.
Invoice & Payment Due Dates
Compute 'Net 15', 'Net 30', or custom business-day payment deadlines for commercial billing.
Employment Notice Periods
Calculate official release dates and working days for employee resignation and notice periods across 5-day and 6-day companies.
Tool Summary
Quick facts about this tool at a glance.
What Is Business Days & Working Hours Calculator?
A business days calculator is a productivity tool that computes the exact number of working days and business hours between two dates, filtering out non-working weekends and public holidays according to customizable working schedules.
About This Tool
Accurate time accounting is essential across commercial contracts, employment agreements, software development sprints, and procurement logistics. Calculating working days by manually counting dates on a desk calendar is slow and prone to errors, especially when regional workweeks and public holidays are involved.
5-Day vs 6-Day Workweek Variations
While office employers in North America and Western Europe typically observe a standard 5-day workweek from Monday through Friday, workplace norms vary substantially worldwide. In India, manufacturing plants, logistics networks, and many private corporate offices operate on 6-day workweeks (Monday through Saturday). Similarly, countries in the Middle East have historically observed Sunday through Thursday schedules. This calculator provides native presets for all major global schedule structures, plus custom day-by-day toggles for part-time and shift workers.
SLA and Notice Period Calculations
Service Level Agreements (SLAs) frequently require issues to be resolved within '3 business days' or '10 working days'. An incident logged on Thursday evening with a 3-day resolution target must account for the intervening weekend, placing the true resolution deadline on Tuesday instead of Sunday. Similarly, employee resignation notice periods and banking settlement periods ('T+2') hinge on precise working day sequences. The Deadline mode in this tool models these schedules directly without requiring manual calendar counting.
Holiday Handling & Working Hours
National statutory holidays can disrupt delivery schedules. By configuring your team's specific regional holidays in the exclusion panel, you can ensure that holidays falling on regular business days are deducted while holidays falling on existing weekend days do not result in double deductions. Combined with customizable daily working hours, teams can plan sprint capacities and contractor billing with complete confidence.
Quick Summary
This free Business Days & Working Hours Calculator calculates net working days, total working hours, and target deadlines between dates. Features include support for 5-day, 6-day (India/retail), and Middle East schedules, custom holiday exclusions, and deadline projection. All calculations run client-side in your browser.
Related Concepts
Explore related terms and topics associated with business days & working hours calculator.
Frequently Asked Questions
Common questions about business days & working hours calculator.
How does a business days calculator work?
A business days calculator iterates through every calendar day between a start and end date, verifying whether each day qualifies as an active working day according to your selected workweek schedule (such as Monday through Friday). It then checks against any designated public holidays, excluding non-working days from the final sum.
Should the end date be included in the working days count?
In project management and sprint planning, both the start and end dates are usually included because work occurs on both days. In banking and legal notice calculations, rules sometimes exclude either the start date or the settlement date. This calculator includes a simple toggle to include or exclude the end date based on your requirements.
How do I calculate business days for a 6-day workweek?
Many companies in India, retail operations, manufacturing units, and healthcare sectors operate on a 6-day schedule (Monday through Saturday) with only Sunday off. Select the 'Monday – Saturday' preset in the workweek schedule dropdown, and Saturday will automatically be counted as an active business day.
How do I find a completion deadline by adding business days?
Switch to the 'Calculate Deadline' mode, choose your start date, enter the number of business days required, and select whether to add or subtract days. The calculator skips weekends and your entered holiday dates, returning the exact calendar date and day of the week your work is due.
Can I enter custom holidays for my specific country or company?
Yes. Click 'Configure Holidays' and paste dates in standard YYYY-MM-DD format (one per line). Any holiday date that falls on a regular working day within your selected range will be deducted from your total business days.
What workweek schedule is used in the Middle East?
Several countries in the Middle East historically or currently follow a Sunday through Thursday workweek, with Friday and Saturday observed as the weekend. You can select the 'Sunday – Thursday' preset to calculate working periods accurately for these regions.
How are fractional working hours computed?
You can configure daily working hours to any decimal value, such as 7.5 or 8.5 hours per day. The calculator multiplies your net working days by your configured daily rate to produce the exact working hours.
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Reviewed by FreeDeskTools Editorial Team
Business Days & Working Hours Calculator has been reviewed for accuracy, usability, privacy, and browser-side performance. FreeDeskTools tools are designed to run locally whenever possible, helping users complete tasks quickly without unnecessary data collection.
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