Business Workday & Working Hours Calculator
Calculate exact business days, weekends, holidays, and working billable hours.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. No data is ever transmitted across the network.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
How to Use Business Workday & Working Hours Calculator
Pick your start date and end date from the calendar pickers.
Set working hours per day and enter any public holidays to deduct.
Inspect net workdays, total hours, and weekend day breakdown.
Frequently Asked Questions
Are Saturdays and Sundays excluded?
Yes, weekends are automatically detected and deducted from the workday count.
Can I deduct company holidays?
Yes, enter any number of holiday days in the holiday deduction field.
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