Updated: August 2026 • Verified v1.2
Working Days & Business Days Calculator
Education & WritingProductivityLocal Browser Execution: Your input is processed locally in your browser and is not sent to UTL servers.
Working Days = Total Days - Weekend Days (based on chosen workweek model)Was this calculation helpful?
Understanding Your Results
Outputs total working days, weekend days, and calendar days, with customizable weekend models (Sat-Sun, Fri-Sat, Sun only).
Practical Guidance & Next Steps
Use 'Add Business Days' mode when a contract specifies 'delivery within 15 business days' to calculate the exact calendar delivery date.
What is this?
A calendar utility that counts business working days between dates and computes exact delivery deadlines excluding weekends.
How does it work?
1. Select 'Count Working Days' or 'Add/Subtract Business Days'.
2. Pick your start and end dates (or specify number of business days to add).
3. Choose your weekend pattern (Saturday-Sunday, Friday-Saturday, or Sunday only).
4. View total working days and target calendar dates.
Why use it?
Saves time planning project sprints, SLA deliverables, employee leave, and contractual business deadlines.
Technical Scope & Calculation Limitations
Standard calculation excludes weekends. Public holidays vary by local jurisdiction and country.
Frequently Asked Questions
A standard calendar month typically contains between 20 and 22 working business days depending on weekend distribution and month length.
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